CN105485867B - Control method, device and circuit of air conditioner - Google Patents
Control method, device and circuit of air conditioner Download PDFInfo
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- CN105485867B CN105485867B CN201510968292.2A CN201510968292A CN105485867B CN 105485867 B CN105485867 B CN 105485867B CN 201510968292 A CN201510968292 A CN 201510968292A CN 105485867 B CN105485867 B CN 105485867B
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- 230000009471 action Effects 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000004378 air conditioning Methods 0.000 claims description 75
- 230000005611 electricity Effects 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims 1
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- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—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
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- 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 technique
In the prior art, as shown in Figure 1, compressor load (fixed frequency) control mode of air-conditioning is the control of single channel A.C. contactor
The electric signal that obtains of system, the coil of A.C. contactor is controlled by mainboard.The compressor of air-conditioning is using single A.C. contactor control, exchange
The actuation and disconnection of contactor are controlled by mainboard.But after A.C. contactor failure, even if mainboard does not export exchange and connects
The pickup signal of tentaculum, A.C. contactor is also attracted always, so that compressor be caused to run always.Using the above scheme, work as sky
When adjusting more severe using the environment that the time is longer, using area voltage fluctuation is larger or runs, exchange can all be caused to connect
The contact adhesion of tentaculum, causes A.C. contactor to fail, even if at this moment reaching halt condition either mainboard provides stopping signal
(that is, not exporting pickup signal) can not also shut down, and will cause the feelings that compressor operates for a long time and user of service can not have found in this way
Condition, after compressor long-term work, the serious accidents such as fire even occur for the pipelines from bursting that will lead to air-conditioning.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of control method of air-conditioning, device and circuits, at least to solve in the prior art
Due to the contact adhesion of A.C. contactor, lead to the technical problem of the stability difference of air-conditioning work.
According to an aspect of an embodiment of the present invention, a kind of control method of air-conditioning is provided, comprising: on the air-conditioning
After electricity, the first electric current of the contact for flowing through A.C. contactor detected by current detection module is obtained；Judge described first
Whether electric current is more than or equal to predetermined current；Judging feelings of first electric current more than or equal to the predetermined current
Under condition, the ancillary coil of output action signal to the A.C. contactor, wherein the ancillary coil is in the action signal
Triggering is lower to drive pushing mechanism movement, so that the pushing mechanism pushes the contact of the A.C. contactor to disconnect, described in disconnection
The current supply circuit of the compressor of air-conditioning.
Further, when exporting ancillary coil of the action signal to the A.C. contactor, the method is also wrapped
It includes: synchronous the second electric current for obtaining the contact for flowing through the A.C. contactor that the current detection module detects；Judge institute
State whether the second electric current is less than the predetermined current；In the case where judging that second electric current is less than the predetermined current,
Stop exporting the action signal to the ancillary coil；Judging second electric current more than or equal to the default electricity
In the case where stream, the action signal is exported again to the ancillary coil, until second electric current is less than the default electricity
Stream.
Further, in the case where judging that first electric current is less than the predetermined current, the method also includes:
Export the main coil of enabling signal to the A.C. contactor.
Further, after the main coil in output enabling signal to the A.C. contactor, the method also includes:
In the case where receiving shutdown command, stop exporting enabling signal to the main coil, wherein the shutdown command is used to indicate
The air-conditioning shutdown.
Further, in the case where receiving shutdown command, stop after exporting enabling signal to the main coil, institute
State method further include: obtain that the current detection module is consecutively detected within a preset time flows through the A.C. contactor
The electric current of contact；Judge whether the electric current being consecutively detected is less than the predetermined current: in the electric current for judging to be consecutively detected
In the case where less than the predetermined current, the air-conditioning shutdown is controlled.
Further, in the case where judging that first electric current is more than or equal to the predetermined current, output is dynamic
After making signal to the ancillary coil of the A.C. contactor, the method also includes: output fault message, wherein the event
Barrier information is for prompting the air-conditioning to be unable to run.
According to another aspect of an embodiment of the present invention, a kind of control device of air-conditioning is additionally provided, comprising: acquiring unit,
For after the power-on of air conditioner, obtaining the first electricity of the contact for flowing through A.C. contactor detected by current detection module
Stream；Judging unit, for judging whether first electric current is more than or equal to predetermined current；Control unit, for judging
In the case that first electric current is more than or equal to the predetermined current out, output action signal to the A.C. contactor
Ancillary coil, wherein the ancillary coil drives pushing mechanism to act under the triggering of the action signal, so that the promotion
The contact of A.C. contactor described in mechanism urges disconnects, and disconnects the current supply circuit of the air-conditioning inner compressor.
According to another aspect of an embodiment of the present invention, a kind of control circuit of air-conditioning is additionally provided, comprising: ac contactor
Device；Current detection module is arranged between the power supply of the air-conditioning and the A.C. contactor, in the air-conditioning
After electricity, detection flows through the first electric current of the contact of the A.C. contactor；Mainboard connect with the current detection module, is used for
In the case where judging that first electric current is more than or equal to predetermined current, output action signal to the A.C. contactor
Ancillary coil, wherein the ancillary coil driven under the triggering of the action signal pushing mechanism act so that described push away
The contact of A.C. contactor described in dynamic mechanism urges disconnects, and disconnects the current supply circuit of the air-conditioning inner compressor.
Further, the mainboard is also used in the case where judging that first electric current is less than the predetermined current,
Export the main coil of enabling signal to the A.C. contactor.
Further, the mainboard is also used in the case where receiving shutdown command, stops exporting to the main coil
The enabling signal.
Further, the mainboard is also used to judging first electric current more than or equal to the predetermined current
In the case of, export fault message.
In embodiments of the present invention, using after the power-on of air conditioner, the stream detected by current detection module is obtained
First electric current of the contact through A.C. contactor；Judge whether first electric current is more than or equal to predetermined current；Judging
In the case that first electric current is more than or equal to the predetermined current out, output action signal to the A.C. contactor
Ancillary coil, wherein the ancillary coil drives pushing mechanism to act under the triggering of the action signal, so that the promotion
The contact of A.C. contactor described in mechanism urges disconnects, and disconnects the mode of the current supply circuit of the air-conditioning inner compressor, passes through ratio
Compared with the electric current for the contact for flowing through A.C. contactor after power-on of air conditioner and the size of predetermined current, to determine the contact of A.C. contactor
Whether adhesion, to ancillary coil sending action signal, is pushed in the case where judging contact adhesion so that ancillary coil drives
Mechanism action, and then pushing mechanism pushes the contact of A.C. contactor open, having reached ensures that air conditioner can be with the mesh of orderly closedown
, to realize the technical effect for improving the stability of air-conditioning work, and then solve in the prior art due to ac contactor
The contact adhesion of device leads to the technical problem of the stability difference of air-conditioning work.
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 the control circuit of air-conditioning of the prior art；
Fig. 2 is a kind of flow chart of the control method of air-conditioning according to an embodiment of the present invention；
Fig. 3 is a kind of flow chart of optionally control method of air-conditioning according to an embodiment of the present invention；
Fig. 4 is a kind of schematic diagram of the control device of air-conditioning according to an embodiment of the present invention；And
Fig. 5 is a kind of schematic diagram of the control circuit of air-conditioning 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.
According to embodiments of the present invention, a kind of embodiment of the method for the control method of air-conditioning is provided, it should be noted that
The step of process of attached drawing illustrates can execute in a computer system such as a set of computer executable instructions, also,
It, in some cases, can be to be different from shown in sequence execution herein although logical order is shown in flow charts
The step of out or describing.
Fig. 2 is a kind of flow chart of the control method of air-conditioning according to an embodiment of the present invention, as shown in Fig. 2, this method packet
Include following steps:
Step S202 obtains the touching for flowing through A.C. contactor detected by current detection module after power-on of air conditioner
First electric current of point.
Specifically, after power-on of air conditioner being obtained by mainboard, electric current that current detection module detects.
Step S204, judges whether the first electric current is more than or equal to predetermined current.
Specifically, the size of predetermined current can be set according to demand.
After power-on of air conditioner, the also not sent enabling signal of mainboard is to the main coil in A.C. contactor, so main coil
Also not it is electric, at this moment if the contact of A.C. contactor has electric current to flow through, show the fire at A.C. contactor and power interface
Line and zero curve etc. constitute the current supply circuit (current supply circuit may refer to Fig. 5) of a compressor in the conductive state, into
And it can determine the contact adhesion of A.C. contactor.So if judging, the first electric current is more than or equal to predetermined current,
Show the contact adhesion of A.C. contactor；If judging, the first electric current is less than predetermined current, shows the contact of A.C. contactor
For non-adhesion.
Step S206, in the case where judging that the first electric current is more than or equal to predetermined current, output action signal is extremely
The ancillary coil of A.C. contactor, wherein ancillary coil drives pushing mechanism to act under the triggering of action signal, so as to push
The contact of mechanism urges A.C. contactor disconnects, and disconnects the current supply circuit of the compressor of air-conditioning.
Specifically, if the contact of A.C. contactor disconnects, the current supply circuit of compressor is disconnected, so that compressor stops
Operation.
In embodiments of the present invention, by comparing the electric current and default electricity of the contact for flowing through A.C. contactor after power-on of air conditioner
The size of stream, to determine whether adhesion is sent out in the case where judging contact adhesion to ancillary coil for the contact of A.C. contactor
Action signal is sent, so that ancillary coil drives pushing mechanism movement, and then pushing mechanism pushes the contact of A.C. contactor open, reaches
Ensure air conditioner can with the purpose of orderly closedown, to realize the technical effect for improving the stability of air-conditioning work, into
And solve the contact adhesion due to A.C. contactor in the prior art, lead to the technical problem of the stability difference of air-conditioning work.
Optionally, in embodiments of the present invention, pushing mechanism is a mandril.When ancillary coil must not be electric (that is, not receiving
To action signal) when, mandril is failure to actuate；When ancillary coil obtains electric (that is, receiving action signal), mandril acts upwards, from
And the contact of A.C. contactor is pushed to disconnect, so that 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 is obtained in the case where judging the contact adhesion of A.C. contactor, can make to hand over by above-mentioned ancillary coil and pushing mechanism
The contact for flowing contactor disconnects, and avoids the contact adhesion due to A.C. contactor, causes A.C. contactor to be attracted always and cause
Serious accident.
Optionally, in embodiments of the present invention, in the ancillary coil of output action signal to A.C. contactor, method is also
Include the following steps:
Step S1, synchronous the second electric current for obtaining the contact for flowing through A.C. contactor that current detection module detects.
Step S2, judges whether the second electric current is less than predetermined current.
Step S3 stops output action signal to auxiliary line in the case where judging that the second electric current is less than predetermined current
Circle.
If it is judged that the second electric current is less than predetermined current, then show that pushing mechanism has pushed the contact of A.C. contactor disconnected
It opens, then mainboard no longer needs to output action signal to ancillary coil.
Step S4, in the case where judging that the second electric current is more than or equal to predetermined current, output action signal again
To ancillary coil, until the second electric current is less than predetermined current.
If it is judged that the second electric current is more than or equal to predetermined current, then show that pushing mechanism does not push ac contactor also
The contact of device disconnects, then mainboard needs again that output action signal is to ancillary coil, until pushing mechanism is by the touching of A.C. contactor
Point is pushed open.
In embodiments of the present invention, by synchronizing and obtaining in the ancillary coil of output action signal to A.C. contactor
The electric current (that is, second electric current) that current detection module detects, and above-mentioned electric current is compared with predetermined current, in the electric current
In the case where less than predetermined current, output action signal to ancillary coil again, it is ensured that pushing mechanism pushes A.C. contactor open
Contact timeliness and certainty, avoid that unsuccessfully etc. pushing mechanism does not have caused by reasons because ancillary coil receives action signal
The contact of A.C. contactor is pushed open in time, has achieved the effect that the stability for further increasing air-conditioning work.
Optionally, in the case where judging that the first electric current is less than predetermined current, method further include: output enabling signal is extremely
The main coil of A.C. contactor.
It should be noted that in the case where receiving the power-on instruction for being used to indicate air-conditioning booting, mainboard output starting
Signal to A.C. contactor main coil.
Specifically, if it is judged 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 must be electric after receiving enabling signal, then A.C. contactor
It is attracted, the current supply circuit of compressor is in the conductive state, and compressor operates normally.
It should be noted that the main coil in main coil and Fig. 1 in the embodiment of the present invention in A.C. contactor is same
Coil, so the current supply circuit of the compressor of formation is identical with Fig. 1 after main coil obtains electric.
Optionally, in embodiments of the present invention, after the main coil in output enabling signal to A.C. contactor, method is also
It include: to stop exporting enabling signal to main coil, wherein shutdown command is used to indicate in the case where receiving shutdown command
Air-conditioning shutdown.
Specifically, if mainboard stops exporting enabling signal to main coil, the current supply circuit of compressor is disconnected, compressor
It shuts down, air-conditioning is also just shut down.
Optionally, in embodiments of the present invention, in the case where receiving shutdown command, stop exporting starting to main coil
After signal, method further include: what acquisition current detection module was consecutively detected within a preset time flows through A.C. contactor
The electric current of contact；Judge whether the electric current being consecutively detected is less than predetermined current: being less than in the electric current for judging to be consecutively detected
In the case where predetermined current, control air-conditioning shutdown.
Specifically, preset time can be arranged according to demand.Such as: 10S etc..
If mainboard judges that the electric current being consecutively detected is less than predetermined current, illustrate that the contact of A.C. contactor is not glued
Even, if mainboard judges that the electric current being consecutively detected is more than or equal to predetermined current, illustrate mainboard in output starting letter
Number give main coil, make compressor current supply circuit be connected during namely compressor operation during, A.C. contactor
Contact adhesion, even if at this moment mainboard stops output enabling signal, the current supply circuit of compressor is also conducting, can pass through execution
Step S202 to S206 disconnects the current supply circuit of compressor, so that compressor be avoided to operate always.
Optionally, in the case where judging that the first electric current is more than or equal to predetermined current, output action signal best friend
After the ancillary coil for flowing contactor, method further include: output fault message, wherein fault message is for prompting air-conditioning can not
Operation.
Specifically, fault message can be exported to display board by mainboard.Fault message is for prompting user's ac contactor
Device breaks down, and air-conditioning is unable to run, wherein fault message can be fault code or text.
In embodiments of the present invention, the case where contact adhesion because of A.C. contactor breaks down is being judged by mainboard
Under, fault message is exported to display board, it, can be timely by the modes such as after sale after user sees above-mentioned fault message from display board
Replacement or maintenance A.C. contactor have achieved the effect that improve user satisfaction so that air-conditioning can operate normally.
Fig. 3 is a kind of flow chart of optionally control method of air-conditioning according to an embodiment of the present invention, as shown in figure 3, should
Method includes the following steps:
Step S302, air conditioner power on.
Step S304, the mainboard of air-conditioning obtain the electric current for the contact for flowing through A.C. contactor that current detection module detects
IElectric current, which is not repeated herein with step S202.
Step S306, judges IElectric currentWhether I is more than or equal toSetting, which is not repeated herein with step S204
It is bright.Wherein, ISettingPredetermined current in as step S204.Judging IElectric currentMore than or equal to ISettingIn the case where, illustrate to hand over
The contact adhesion of contactor is flowed, step S308 is executed；Judging IElectric currentLess than ISettingIn the case where, illustrate the touching of A.C. contactor
The non-adhesion of point, executes step S312.
Step S308, the ancillary coil of mainboard output signal Okm2 to A.C. contactor, so that A.C. contactor disconnects.Tool
Body, the ancillary coil of mainboard output signal Okm2 to A.C. contactor, ancillary coil obtains electric drive pushing mechanism movement, pushes
The contact of mechanism urges A.C. contactor disconnects, so that A.C. contactor disconnects.The step is with step S206, herein no longer
Repeated explanation.
It should be noted that synchronous acquisition current detection module detected flows through ac contactor when executing step S308
The electric current namely return step S304 of the contact of device.If it is judged that the above-mentioned synchronous electric current obtained is less than ISetting, mainboard stopping
To ancillary coil output signal Okm2, conversely, output signal Okm2 is to ancillary coil again for mainboard, so that pushing mechanism pushes friendship open
The contact of contactor is flowed, so that A.C. contactor disconnects, and then disconnects the current supply circuit of compressor.
Step S310, mainboard export fault message.Specifically, fault message is used to prompt user's A.C. contactor failure,
Air-conditioning is unable to run.
Step S312 judges whether to receive power-on instruction.Specifically, which can be executed by mainboard, that is, mainboard
Judge whether to receive power-on instruction, which is used to indicate air-conditioning booting.
Wherein, in the case where judging to receive power-on instruction, step S316 is executed；Judging not receive booting
In the case where instruction, step S314 is executed.That is, executing step in the case where receiving power-on instruction after air conditioner powers on
Rapid S316；In the case where not receiving power-on instruction, step S314 is executed.
Step S314, air-conditioning shutdown.
Step S316, the main coil of mainboard output signal Okm1 to A.C. contactor, air-conditioning operate normally.
Specifically, in the case where receiving power-on instruction, the main coil of mainboard output signal Okm1 to A.C. contactor,
At this moment A.C. contactor is attracted, so that the current supply circuit of compressor is connected, air-conditioning is operated normally.
Step S318, in the case where receiving shutdown command, mainboard, which stops exporting to the main coil of A.C. contactor, to be believed
Number Okm2.
It should be noted that then return step S304, mainboard continuously acquire electric current inspection in N seconds after executing step S318
What survey module detected flows through the electric current of A.C. contactor, and judges whether above-mentioned electric current is more than or equal to ISetting, if it is determined that
Above-mentioned electric current is more than or equal to I outSetting, then follow the steps S308；If it is judged that above-mentioned electric current is less than ISetting, then follow the steps
S312。
It can be seen from the above content that in embodiments of the present invention, judging whether control compressor by detection current value
Whether adhesion is connect if judging the contact adhesion of A.C. contactor by controlling exchange for the contact of the A.C. contactor of starting
The ancillary coil of tentaculum disconnects the contact of A.C. contactor, so that it is guaranteed that the safety of complete machine.And at the same time output failure letter
Breath is provided convenience so that maintenance personal can determine failure cause for maintenance personal's after-sales service, to improve maintenance people
Member's working efficiency.
Fig. 4 is a kind of schematic diagram of the control device of air-conditioning according to an embodiment of the present invention, as shown in figure 4, device master
It to include acquiring unit 41, judging unit 43 and control unit 45, in which:
Acquiring unit 41 is used for after power-on of air conditioner, is obtained and is flowed through A.C. contactor by what current detection module detected
Contact the first electric current.
Specifically, after power-on of air conditioner being obtained by mainboard, electric current that current detection module detects.
Judging unit 43 is for judging whether the first electric current is more than or equal to predetermined current.
Specifically, the size of predetermined current can be set according to demand.
Control unit 45 is used in the case where judging that the first electric current is more than or equal to predetermined current, output action letter
Number to A.C. contactor ancillary coil, wherein ancillary coil driven under the triggering of action signal pushing mechanism act so that
Pushing mechanism pushes the contact of A.C. contactor to disconnect, and disconnects the current supply circuit of air-conditioning inner compressor.
Specifically, if the contact of A.C. contactor disconnects, the current supply circuit of compressor is disconnected, so that compressor stops
Operation.
In embodiments of the present invention, by comparing the electric current and default electricity of the contact for flowing through A.C. contactor after power-on of air conditioner
The size of stream, to determine whether adhesion is sent out in the case where judging contact adhesion to ancillary coil for the contact of A.C. contactor
Action signal is sent, so that ancillary coil drives pushing mechanism movement, and then pushing mechanism pushes the contact of A.C. contactor open, reaches
Ensure air conditioner can with the purpose of orderly closedown, to realize the technical effect for improving the stability of air-conditioning work, into
And solve the contact adhesion due to A.C. contactor in the prior art, lead to the technical problem of the stability difference of air-conditioning work.
According to embodiments of the present invention, a kind of control circuit of air-conditioning is additionally provided.The controlling party of air-conditioning in above-described embodiment
Method can be executed with the control circuit of air-conditioning provided in an embodiment of the present invention.As shown in figure 5, the control circuit of the air-conditioning includes exchange
Contactor 51, current detection module 53 and mainboard 55.Wherein, the power supply of air-conditioning is arranged in (that is, figure in current detection module 53
Power interface shown in 5) and A.C. contactor between, for after power-on of air conditioner, detection flows through the touching of A.C. contactor 51
First electric current of point；Mainboard 55 is connect with current detection module 53, for judging that it is default that the first electric current is more than or equal to
In the case where electric current, the ancillary coil 511 of output action signal to A.C. contactor 51, wherein ancillary coil 511 is believed in movement
Number triggering under drive pushing mechanism movement so that pushing mechanism push A.C. contactor contact 513 disconnect, disconnect air-conditioning in
The current supply circuit of compressor.
Specifically, action signal is that the signal of mainboard control ancillary coil movement can use signal Okm referring to Fig. 52
It indicates.
In embodiments of the present invention, mainboard is by comparing the electric current of the contact for flowing through A.C. contactor after power-on of air conditioner and pre-
If the size of electric current, come determine A.C. contactor contact whether adhesion, in the case where judging contact adhesion, to auxiliary line
Sending action signal is enclosed, so that ancillary coil drives pushing mechanism movement, and then pushing mechanism pushes the contact of A.C. contactor open,
Achieve the purpose that ensure that air conditioner can be with orderly closedown, to realize the technology effect for the stability for improving air-conditioning work
Fruit, and then solve the contact adhesion due to A.C. contactor in the prior art, lead to the technology of the stability difference of air-conditioning work
Problem.
Optionally, referring to Fig. 5, in embodiments of the present invention, mainboard is also used to judging that it is default electric that the first electric current is less than
In the case where stream, the main coil 512 of output enabling signal to A.C. contactor.
Specifically, enabling signal is that the signal of mainboard control compressor start can use signal Okm referring to Fig. 51Table
Show.
It is, main coil of the mainboard by output enabling signal to A.C. contactor, to realize opening for control compressor
It is dynamic.
Optionally, in embodiments of the present invention, mainboard is also used in the case where receiving shutdown command, is stopped to main line
Circle output enabling signal.Wherein, shutdown command is used to indicate air-conditioning shutdown.
Specifically, if mainboard stops exporting enabling signal to main coil, the current supply circuit of compressor is disconnected, compressor
It shuts down, air-conditioning is just shut down.
Optionally, in embodiments of the present invention, mainboard is also used to judging that it is default electric that the first electric current is more than or equal to
In the case where stream, fault message is exported.
Specifically, fault message can be exported to display board by mainboard.Fault message is for prompting user's ac contactor
Device breaks down, and air-conditioning is unable to run, wherein fault message can be fault code or text.
In embodiments of the present invention, through mainboard in the case where judging that A.C. contactor breaks down, failure is exported
Information enables user that can be replaced in time by the modes such as after sale or repair A.C. contactor so that air-conditioning is normally transported
Row has achieved the effect that improve user satisfaction.
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 the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, 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 control method of air-conditioning characterized by comprising
After the power-on of air conditioner, the first electricity of the contact for flowing through A.C. contactor detected by current detection module is obtained
Stream；
Judge whether first electric current is more than or equal to predetermined current；
In the case where judging that first electric current is more than or equal to the predetermined current, output action signal to the friendship
Flowing the ancillary coil of contactor, wherein the ancillary coil drives pushing mechanism to act under the triggering of the action signal, with
The contact for making the pushing mechanism push the A.C. contactor disconnects, and disconnects the current supply circuit of the compressor of the air-conditioning；
When exporting ancillary coil of the action signal to the A.C. contactor, the method also includes:
Synchronous the second electric current for obtaining the contact for flowing through the A.C. contactor that the current detection module detects；
Judge whether second electric current is less than the predetermined current；
In the case where judging that second electric current is less than the predetermined current, stop exporting the action signal to described auxiliary
Index contour circle；
In the case where judging that second electric current is more than or equal to the predetermined current, the action signal is exported again
To the ancillary coil, until second electric current is less than the predetermined current.
2. the method according to claim 1, wherein judging first electric current less than the predetermined current
In the case where, the method also includes:
Export the main coil of enabling signal to the A.C. contactor.
3. according to the method described in claim 2, it is characterized in that, exporting main line of the enabling signal to the A.C. contactor
After circle, the method also includes:
In the case where receiving shutdown command, stop exporting enabling signal to the main coil, wherein the shutdown command is used
In the instruction air-conditioning shutdown.
4. according to the method described in claim 3, it is characterized in that, stopping in the case where receiving shutdown command to described
After main coil exports enabling signal, the method also includes:
Obtain the electricity for the contact for flowing through the A.C. contactor that the current detection module is consecutively detected within a preset time
Stream；
Judge whether the electric current being consecutively detected is less than the predetermined current；
In the case where the electric current for judging to be consecutively detected is less than the predetermined current, the air-conditioning shutdown is controlled.
5. the method according to claim 1, wherein judging that it is described that first electric current is more than or equal to
In the case where predetermined current, after the ancillary coil of output action signal to the A.C. contactor, the method also includes:
Export fault message, wherein the fault message is for prompting the air-conditioning to be unable to run.
6. a kind of control device of air-conditioning characterized by comprising
Acquiring unit, for obtaining and flowing through A.C. contactor by what current detection module detected after the power-on of air conditioner
Contact the first electric current；
Judging unit, for judging whether first electric current is more than or equal to predetermined current；
Control unit, in the case where judging that first electric current is more than or equal to the predetermined current, output to be dynamic
Make the ancillary coil of signal to the A.C. contactor, wherein the ancillary coil drives under the triggering of the action signal
Pushing mechanism movement disconnects compression in the air-conditioning so that the pushing mechanism pushes the contact of the A.C. contactor to disconnect
The current supply circuit of machine；
Wherein, synchronous to obtain the current detecting when exporting ancillary coil of the action signal to the A.C. contactor
What module detected flows through the second electric current of the contact of the A.C. contactor；It is described pre- to judge whether second electric current is less than
If electric current；In the case where judging that second electric current is less than the predetermined current, stop exporting the action signal to institute
State ancillary coil；In the case where judging that second electric current is more than or equal to the predetermined current, again described in output
Action signal is to the ancillary coil, until second electric current is less than the predetermined current.
7. a kind of control circuit of air-conditioning characterized by comprising
A.C. contactor；
Current detection module is arranged between the power supply of the air-conditioning and the A.C. contactor, in the air-conditioning
After powering on, detection flows through the first electric current of the contact of the A.C. contactor；
Mainboard is connect with the current detection module, for judging first electric current more than or equal to predetermined current
In the case where, the ancillary coil of output action signal to the A.C. contactor, wherein the ancillary coil is believed in the movement
Number triggering under drive pushing mechanism movement, so that the pushing mechanism pushes the contact of the A.C. contactor to disconnect, disconnection
The current supply circuit of the air-conditioning inner compressor；
The mainboard is also used to when exporting ancillary coil of the action signal to the A.C. contactor, described in synchronous acquisition
What current detection module detected flows through the second electric current of the contact of the A.C. contactor；Judge whether second electric current is small
In the predetermined current；In the case where judging that second electric current is less than the predetermined current, stop exporting the movement
Signal is to the ancillary coil；In the case where judging that second electric current is more than or equal to the predetermined current, again
The action signal is exported to the ancillary coil, until second electric current is less than the predetermined current.
8. control circuit according to claim 7, which is characterized in that the mainboard is also used to judging first electricity
In the case that stream is less than the predetermined current, the main coil of output enabling signal to the A.C. contactor.
9. control circuit according to claim 8, which is characterized in that the mainboard is also used to receiving shutdown command
In the case of, stop exporting the enabling signal to the main coil.
10. control circuit according to claim 7, which is characterized in that the mainboard is also used to judging described first
In the case that electric current is more than or equal to the predetermined current, fault message is exported.
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| 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 |
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| 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 |
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| CN105485867B true CN105485867B (en) | 2018-12-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113690952A (en) * | 2020-05-15 | 2021-11-23 | 比亚迪股份有限公司 | Voltage transmission control circuit and vehicle |
| 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 |
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| KR101687869B1 (en) * | 2014-01-28 | 2016-12-28 | 주식회사 엘지화학 | Apparatus and method for judging if a life of contactor has reached |
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| CN105485867A (en) | 2016-04-13 |
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