CN102679495B - Air-conditioning compensates startup method - Google Patents
Air-conditioning compensates startup method Download PDFInfo
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- CN102679495B CN102679495B CN201210146229.7A CN201210146229A CN102679495B CN 102679495 B CN102679495 B CN 102679495B CN 201210146229 A CN201210146229 A CN 201210146229A CN 102679495 B CN102679495 B CN 102679495B
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- pressure switch
- control chip
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Abstract
Compensate startup method the present invention provides a kind of air-conditioning, air-conditioning have control chip and with the pressure switch that is connected of control chip, which is characterized in that method includes：Step S1：Pressure switch turns off, and keeps air-conditioning out of service；Step S2：Control chip judges whether pressure switch is damaged；And step S3：If control chip judges that pressure switch is damaged in step s 2, air-conditioning is reruned.Described air-conditioning compensates startup method through this embodiment, air-conditioning caused by the damage of pressure switch can be prevented out of service, and to increase the satisfaction of user, the sufficient time is left for after-sales service.
Description
Technical field
The invention relates essentially to appliance fields, more specifically for, be related to a kind of air-conditioning compensation startup method.
Background technology
In air-conditioning system of today, it will usually control whether air conditioner runs using pressure switch, pressure switch point
It is switched for high-pressure switch and low pressure.When the high-pressure of air-conditioning system is excessively high, high-pressure switch will disconnect, journey
When detecting that high-pressure switch disconnects in sequence, failure can be quoted, post-fault system can be out of service, low pressure switch
It is as the same.But pressure switch is caused to be in if it is the damage due to high-pressure switch or low pressure switch itself device
The state of disconnection, then system stopping can increase the complaint of user, can also make troubles to maintenance work.
Prior art discloses a kind of replacement control methods of air conditioner fault sensor, suitable for air-conditioner outdoor unit
For to condenser saturation temperature and condenser whether the coil temperature sensor that frosting is detected and defrosting temperature sensing
Device.When coil temperature sensor breaks down, replaced using the method that the detected value to the temperature sensor that defrosts is modified
For the detected value of the coil temperature sensor, the control for participating in primary control program calculates；And it is sent out in the defrosting temperature sensor
When raw failure, then the inspection of defrosting temperature sensor is substituted using the method that the detected value to coil temperature sensor is modified
Measured value, the control for participating in primary control program calculates, so that unit can continue to run with while reporting an error etc. to be repaired,
The comfort that product uses is improved to a certain extent.
However, when pressure switch breaks down, the above-mentioned prior art still can stop due to failure, it is above-mentioned
The prior art takes fault masking just for sensor, and lacks the method for controlling of operation for pressure switch failure.
Invention content
In view of the above-mentioned defects in the prior art, the present invention provides a kind of air-conditionings to compensate startup method, through the invention institute
The air-conditioning of description compensates startup method, solves how the technology for avoiding air-conditioning out of service due to the failure of pressure switch is asked
Topic.
According to an aspect of the invention, there is provided a kind of air-conditioning compensates startup method, the air-conditioning has control chip
The pressure switch being connected with the control chip, which is characterized in that the method includes：Step S1：The pressure switch
Shutdown, keeps the air-conditioning out of service；Step S2：The control chip judges whether the pressure switch is damaged；And step
S3：If controlling chip described in the step S2 judges the pressure switch damage, the air-conditioning is reruned.
In the air-conditioning compensates startup method, the step S1 further comprises：Step S11：The pressure switch is closed
It is disconnected；Step S12：The control chip senses are turned off to the pressure switch；And step S13：The control chip makes described
Air-conditioning is out of service.
In the air-conditioning compensates startup method, the air-conditioning has the pressure sensing being connected with the control chip
Device, the pressure switch is high-pressure switch, and the step S2 further comprises：Step S21：The control chip is logical
Cross the pressure sensor sensing pressure；And step S22：If the pressure is less than high-pressure threshold value, but the pressure
Power switch is still off, then the control chip judges the pressure switch damage.
In the air-conditioning compensates startup method, the air-conditioning also has the pressure sensing being connected with the control chip
Device, the pressure switch switchs for low pressure, and the step S2 further comprises：Step S21：The control chip is logical
Cross the pressure sensor sensing pressure；And step S22：If the pressure is more than low pressure threshold value, but the pressure
Power switch is still off, then the control chip judges the pressure switch damage.
In the air-conditioning compensates startup method, the step S21 includes：By pre- timing after the air-conditioning is closed
Between, the control chip senses pressure by the pressure sensor.
In the air-conditioning compensates startup method, the step S3 includes：If controlling core described in the step S2
Piece judges the pressure switch damage, then the control chip reruns the air-conditioning.
In the air-conditioning compensates startup method, the method further includes：Step S4：If the control in step s3
Chip reruns the air-conditioning, then the pressure sensor controls whether the air-conditioning runs by sensing pressure.
In the air-conditioning compensates startup method, whether the pressure sensor controls the air-conditioning by sensing pressure
Operation includes：If the pressure is more than critical pressure, by the air-conditioning frequency reducing or keep the air-conditioning out of service.
It is described out of service to include in the air-conditioning compensates startup method：Exit refrigeration mode, exit heating mode or
Person exits defrosting mode.
In the air-conditioning compensates startup method, the air-conditioning is the sky in monomer air conditioner or air conditioning multi-couple machine system
Adjust device handset.
Described air-conditioning compensates startup method through this embodiment, can prevent air-conditioning caused by the damage of pressure switch
Stopping the sufficient time is left for after-sales service to increase the satisfaction of user.In addition, by that will damage
Continue to protect the air-conditioning using pressure sensor after pressure switch shielding, backup can be provided for pressure switch, to ensure
The normal operation of air-conditioning.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 shows flow chart according to an embodiment of the invention；
Fig. 2 shows the flow charts of a specific embodiment according to the present invention；
Fig. 3 shows the flow chart of a specific example according to the present invention.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Fig. 1 shows flow chart according to an embodiment of the invention.In Fig. 1：
Step S100：Pressure switch turns off, and keeps air-conditioning out of service.Wherein, if pressure switch is high-pressure switch,
When the pressure of the position then sensed when the pressure switch is excessive, air-conditioning is out of service.Wherein, air-conditioning is out of service includes but not
It is limited to air-conditioning and stops heating and/or air-conditioning stopping refrigeration, air-conditioning is out of service to refer to that the function module of air-conditioning is stopped, and
Control chip continues to run.
It is empty when the pressure for the position that the pressure switch is sensed is too small if pressure switch is low pressure switch
It adjusts out of service.Preferably, the control chip senses in air-conditioning to pressure switch turn off, and by air-conditioning send signal come
Keep air-conditioning out of service.
Step S102：Control chip judges whether pressure switch is damaged.Preferably, which can have pressure sensing
Device, the pressure sensor and the pressure on pressure switch sensing same position, if the pressure that the pressure sensor was sensed
Power is less than high-pressure threshold value, that is to say, that and pressure in this position is originally not enough to turn off the pressure switch, this just illustrates,
The pressure switch is damaged.
Step S104：If control chip judges that pressure switch is damaged in step s 102, air-conditioning is reruned.It is excellent
Selection of land, if it is judged that pressure switch is damaged, then air-conditioning system shields the effect of the pressure switch and (preferably, which is opened
Signal shielding caused by closing), and air-conditioning is reopened.
Wherein, above-mentioned air-conditioning can be the air conditioner handset etc. in monomer air conditioner or air conditioning multi-couple machine system.On
It may include high-pressure switch and low pressure switch to state pressure switch.
Described air-conditioning compensates startup method through this embodiment, can prevent air-conditioning caused by the damage of pressure switch
It is out of service, to increase the satisfaction of user, the sufficient time is left for after-sales service.
Fig. 2 shows the flow charts of a specific embodiment according to the present invention.In fig. 2：
Step S200：Pressure switch turns off.
Step S202：Chip senses are controlled to turn off to pressure switch.
Step S204：Control chip keeps air-conditioning out of service.In a preferred embodiment, it can be sent by control chip
Shutdown signal, to close the refrigeration module of air-conditioning and/or heating module, to make air-conditioning stop refrigeration and/or stop system
Heat.
Step S206：Control chip senses pressure by pressure sensor.Wherein, the pressure sensor and the pressure switch
Sense the pressure on same position.In a preferred embodiment, pass through the predetermined time after air-conditioning is closed, control chip is logical
Excess pressure sensor senses pressure.That is, after air-conditioning a period of time out of service, i.e., the position where pressure switch
On pressure continuously decrease after, control chip pressure is sensed by pressure sensor.
Step S208：If pressure is less than high-pressure threshold value, but pressure switch is still off, then controls chip judgement
Go out pressure switch damage.Wherein, which can be set in advance in the memory module in control chip.In this reality
It applies in example, pressure switch is high-pressure switch.Therefore, in this embodiment, high-pressure threshold value expression is able to maintain that air-conditioning just
Often operate the maximum pressure without alarming or stopping.If being less than the height by the pressure that above-mentioned pressure sensor senses
Pressure pressure threshold value, then illustrate pressure switch be due to damage and non-pressure is excessive just disconnects.
Step S210：If controlling chip in above-mentioned steps judges that pressure switch is damaged, controls chip and transport again
Row air-conditioning.
Step S212：If controlling chip in above-mentioned steps reruns the air-conditioning, pressure sensor passes through sensing
Pressure controls whether air-conditioning runs.That is, if it is judged that pressure switch damage, then can not pass through the pressure of the damage again
Power switch continues to control above-mentioned air-conditioning, and therefore, the pressure that can continue to air-conditioning by above-mentioned pressure sensor is felt
It surveys.When the pressure sensor sense pressure it is excessive when, then keep the air-conditioning out of service by controlling chip, to by pressure
After switch shielding, remain to provide the protection to the air-conditioning.It in one embodiment, will if pressure is more than critical pressure
Air-conditioning frequency reducing keeps air-conditioning out of service.Wherein, critical pressure is may to make air-conditioning on position that pressure sensor is sensed
The maximum pressure or minimum pressure to break down.
Wherein, above-mentioned air-conditioning can be the air conditioner handset etc. in monomer air conditioner or air conditioning multi-couple machine system.
Described air-conditioning compensates startup method through this embodiment, can prevent air-conditioning caused by the damage of pressure switch
Stopping the sufficient time is left for after-sales service to increase the satisfaction of user.In addition, by that will damage
Continue to protect the air-conditioning using pressure sensor after pressure switch shielding, backup can be provided for pressure switch, to ensure
The normal operation of air-conditioning.
In addition to specific embodiment shown in Fig. 2, in another specific embodiment, pressure switch can also be low pressure
Switch rather than high-pressure switch.If pressure switch is low pressure switch, in step S208, if pressure is more than low
Pressure pressure threshold value, but pressure switch is still off, then controls chip and judge that pressure switch is damaged.Wherein, low pressure threshold
Value can be set in advance in the memory module in control chip.Low pressure threshold value expression be able to maintain that air-conditioning run well and
Without the minimum pressure alarmed or stopped.If being more than the low pressure threshold by the pressure that above-mentioned pressure sensor senses
Value, then illustrate pressure switch be due to damage and non-pressure is too small just disconnects.Other steps with Fig. 2 described embodiments
In corresponding steps it is identical, therefore repeat no more.
The present invention will be described by an example below.
Fig. 3 shows the flow chart of a specific example according to the present invention.It is shown in Fig. 3 go out air-conditioning control program
In, the control chip of air-conditioning is constantly by detecting the signal of high-pressure switch, if the high-pressure switch disconnects,
Keep the air-conditioning out of service, and detect the signal condition of high-pressure switch always, off-state is remained when continuing 10 minutes
Afterwards, then the sampled value of the pressure sensor in air-conditioning is judged, if high-pressure has already decreased to 30kg hereinafter, and high-pressure
Switch is still within off-state, then is shown to be high-pressure switch damage, masks high-pressure switch, air-conditioning system at this time
Restarting, but the indicating fault on computer board still indicates that failure exists, and waits for the maintenance of maintenance personal.It is transported in air-conditioning system
In capable process, the protection continuously effective of above-mentioned pressure sensor first carries out frequency reducing protection when high-pressure is excessively high, if
Still it cannot be reduced to specified value, then carry out stoppage protection.
Startup method is compensated by air-conditioning described in this example, can prevent the damage of pressure switch from air-conditioning being caused to stop
Operation leaves the sufficient time for after-sales service to increase the satisfaction of user.In addition, by the pressure that will be damaged
Continue to protect the air-conditioning using pressure sensor after power switch shielding, backup can be provided for pressure switch, to ensure that
The normal operation of air-conditioning.
Content described above is merely a preferred embodiment of the present invention, and is not intended to restrict the invention, for this
For the technical staff in field, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of air-conditioning compensates startup method, there is the air-conditioning control chip and the pressure being connected with the control chip to open
It closes, which is characterized in that the method includes：
Step S1：The pressure switch shutdown, keeps the air-conditioning out of service；
Step S2：The control chip judges whether the pressure switch is damaged；And
Step S3：If controlling chip described in the step S2 judges the pressure switch damage, institute is reruned
State air-conditioning；
Step S4：If the control chip reruns the air-conditioning in step s3, is sensed and pressed by pressure sensor
Power controls whether the air-conditioning runs.
2. air-conditioning according to claim 1 compensates startup method, which is characterized in that the step S1 further comprises：
Step S11：The pressure switch shutdown；
Step S12：The control chip senses are turned off to the pressure switch；And
Step S13：The control chip keeps the air-conditioning out of service.
3. air-conditioning according to claim 2 compensates startup method, which is characterized in that the air-conditioning has and the control core
The pressure sensor that piece is connected, the pressure switch is high-pressure switch, and the step S2 further comprises：
Step S21：The control chip senses pressure by the pressure sensor；And
Step S22：If the pressure is less than high-pressure threshold value, but the pressure switch is still off, then the control
Chip judges the pressure switch damage.
4. air-conditioning according to claim 2 compensates startup method, which is characterized in that the air-conditioning also has and the control
The pressure sensor that chip is connected, the pressure switch switchs for low pressure, and the step S2 further comprises：
Step S21：The control chip senses pressure by the pressure sensor；And
Step S22：If the pressure is more than low pressure threshold value, but the pressure switch is still off, then the control
Chip judges the pressure switch damage.
5. air-conditioning according to claim 3 or 4 compensates startup method, which is characterized in that the step S21 includes：Institute
It states after air-conditioning is closed and passes through the predetermined time, the control chip senses pressure by the pressure sensor.
6. air-conditioning according to claim 3 or 4 compensates startup method, which is characterized in that the step S3 includes：If
Chip is controlled described in the step S2 and judges the pressure switch damage, then the control chip reruns the sky
It adjusts.
7. air-conditioning according to claim 1 compensates startup method, which is characterized in that the pressure sensor is pressed by sensing
Power come control the air-conditioning whether run including：If the pressure is more than critical pressure, by the air-conditioning frequency reducing or make
The air-conditioning is out of service.
8. air-conditioning according to claim 1 compensates startup method, which is characterized in that described out of service to include：Exit system
Chill formula exits heating mode or exits defrosting mode.
9. air-conditioning according to claim 1 compensates startup method, which is characterized in that the air-conditioning be monomer air conditioner or
Air conditioner handset in air conditioning multi-couple machine system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210146229.7A CN102679495B (en) | 2012-05-11 | 2012-05-11 | Air-conditioning compensates startup method |
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| CN201210146229.7A CN102679495B (en) | 2012-05-11 | 2012-05-11 | Air-conditioning compensates startup method |
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| CN102679495A CN102679495A (en) | 2012-09-19 |
| CN102679495B true CN102679495B (en) | 2018-08-14 |
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| CN107490129B (en) | 2017-08-02 | 2020-10-20 | 青岛海尔空调电子有限公司 | Equipment control method and device |
| CN107992113A (en) * | 2017-12-19 | 2018-05-04 | 广东美的制冷设备有限公司 | Pressure limiting method, pressure limiting device and temperature control device |
| CN109357356A (en) * | 2018-09-11 | 2019-02-19 | 珠海格力电器股份有限公司 | Fault handling method and device, household appliance |
| CN109539474B (en) * | 2018-10-18 | 2019-12-17 | 珠海格力电器股份有限公司 | Air conditioner control method and device |
| CN109556231A (en) * | 2018-10-26 | 2019-04-02 | 珠海格力电器股份有限公司 | A kind of unit and its high voltage protective method |
| CN110671742B (en) * | 2019-10-24 | 2021-08-27 | 宁波奥克斯电气股份有限公司 | Control method and device of multi-split air conditioning system and multi-split air conditioning system |
| CN111121227B (en) * | 2019-12-30 | 2022-03-18 | 宁波奥克斯电气股份有限公司 | Fault detection method and device under low-voltage pressure switch protection mode and air conditioner |
| CN113777969B (en) * | 2021-08-02 | 2023-05-26 | 广州巴兰仕机械有限公司 | Method, system, device and storage medium for controlling synchronous display of pressure of automobile air conditioner |
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