CN109084448B - A kind of air conditioning control method, device and air conditioner - Google Patents
A kind of air conditioning control method, device and air conditioner Download PDFInfo
- Publication number
- CN109084448B CN109084448B CN201810969222.2A CN201810969222A CN109084448B CN 109084448 B CN109084448 B CN 109084448B CN 201810969222 A CN201810969222 A CN 201810969222A CN 109084448 B CN109084448 B CN 109084448B
- Authority
- CN
- China
- Prior art keywords
- input end
- transient voltage
- preset value
- air
- direct
- 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.)
- Active
Links
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
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of air conditioning control method, device and air conditioners, and the method includes obtaining the transient voltage V of direct-flow input end respectivelydcWith the transient voltage V of ac input endac；Judge the transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacDifference whether be greater than the first preset value X；It is that then difference described in timing is greater than the duration T of the first preset value Xx, the duration TxGreater than the first preset value T1, then judge air-conditioning power down, send power-off signal, the load of control device the shutdown relay module and operation of air conditioner to control device；Otherwise, judge the non-power down of air-conditioning.Convertible frequency air-conditioner power supply delay startup control method, device and air conditioner of the present invention, which are able to solve power down in the short time and power on, can lead to the problem of surge current, promote reliability.
Description
Technical field
The present invention relates to power supply control technology field, in particular to a kind of air conditioning control method, device and air conditioner.
Background technique
In the prior art, for the outer machine control module of conventional inverter air-conditioning, due to, there are big electrolytic capacitor, being on bus
The impact of surge current when avoiding powering on and damage electronic component.Common practice is all the string PTC electricity in major loop
Resistance powers on and is shorted out PTC resistor by controlling relay after a period of time, which is delay startup process, and general exists
It is executed when chip electrification reset primary.
If air-conditioning powers off when standby, since big electrolytic capacitor has a longer discharge process, general 30 seconds to 50
Second.During discharge, chip has always electricity, and relay not will disconnect.If powered on during discharge, still there can be wave
Electric current is gushed, effective protection electronic component is unable to.
Summary of the invention
In view of this, the present invention is directed to propose a kind of air conditioning control method, to solve in the power up after air-conditioning power down
There are surge, the problem of being unable to effective protection electronic component.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of air conditioning control method, including, the transient voltage V of direct-flow input end is obtained respectivelydcWith the wink of ac input end
Between voltage Vac；Judge the transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacDifference whether be greater than
One preset value X；It is that then difference described in timing is greater than the duration T of the first preset value Xx, the duration TxGreater than first
Preset value T1, then judge air-conditioning power down, send power-off signal, the control device shutdown relay module and sky to control device
Allocate and transport the load of row；Otherwise, judge the non-power down of air-conditioning.
Further, after judging the air-conditioning power down, continue the transient voltage V for judging direct-flow input enddcIt is inputted with exchanging
Hold transient voltage VacDifference whether be greater than the second preset value Y；If so, the holding greater than the second preset value Y of difference described in timing
Continuous time Ty, the duration TyGreater than the second preset time T2When, re-start delay startup；Otherwise it does not operate, in waiting
Electricity.
Further, the transient voltage V for obtaining ac input endacIt include: the AD sampled value Z for obtaining signal1, and root
According to AD sampled value Z1Calculate Vac,
Vac=(Z1-2n-1)/2n-1A1；
Wherein, Z1Range are as follows: 0 to 2n- 1, n are the digit of AD conversion chip, A1It is Z1It is 2nCorresponding V when -1acVoltage
Value；
The transient voltage V for obtaining direct-flow input enddcIt include: the AD sampled value Z for obtaining signal2, and sampled according to AD
Value Z2Calculate Vdc,
Vdc=(Z2/2n)A2；
Wherein, Z2Range are as follows: 0 to 2n, n is the digit of AD conversion chip, A2It is Z2It is 2nWhen corresponding VdcVoltage value.
Further, judge the transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacDifference be
The no first preset value X that is greater than includes: the transient voltage V for calculating direct-flow input enddcWith the transient voltage V of ac input endacAD
Sampled value Z1And Z2Difference, and by Z1And Z2Difference equivalent sampling value Z corresponding with the first preset value XxIt is compared；
Judge the transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacDifference whether less than second
Preset value Y includes: the transient voltage V for calculating direct-flow input enddcWith the transient voltage V of ac input endacAD sampled value Z1With
Z2Difference, and by Z1And Z2Difference equivalent sampling value Y corresponding with the second preset value YxIt is compared.
Further, the AD conversion chip digit is 10, i.e. n=10, the equivalent sampling value of the first preset value X
ZXRange are as follows: 120-160；The equivalent sampling value Y of the second preset value YXRange are as follows: 80-100.
Further, second preset time T2Range are as follows: 0-10s.
Further, the delay startup includes after actuation, waiting 3-5s, sends pickup signal, control to relay module
The relay module is made to be attracted.
Compared with the existing technology, a kind of air conditioning control method of the present invention, has the advantage that
(1), method of the present invention, which solves the problems, such as in the short time that power down powers on, can generate surge current, be promoted reliable
Property.
(2), the safety of circuit can be effectively protected in method of the present invention, improve its reliability.So that inversion is electric
The delay startup control in source is relatively reliable.Power down it can also power in the effective solution short time and lead to the problem of surge current, nothing
Cost need to be increased, additionally it is possible to which effective protection electronic component improves the service life of electronic component.
(3), when method of the present invention can be effectively solved air-conditioner standby, power down powers on generation surge in the short time
The problem of electric current, while promoting air conditioner reliability.
Another object of the present invention is to propose a kind of control device, to solve to exist in the power up after air-conditioning power down
Surge, the problem of being unable to effective protection electronic component.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of control device, including, relay module, the situation for translation circuit；When power down, disconnects two lateral circuits and connect
It connects；When powering on, it is closed two sides circuit connection；Control module obtains the transient voltage V of direct-flow input end respectivelydcIt is inputted with exchanging
The transient voltage V at endac；Judge the transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacDifference whether
Greater than the first preset value X；It is that then difference described in timing is greater than the duration T of the first preset value Xx, the duration TxGreatly
In the first preset value T1, then judge air-conditioning power down, send power-off signal to control device, the control device turns off relay mould
The load of block and operation of air conditioner；Otherwise, judge the non-power down of air-conditioning；After judging the air-conditioning power down, continue to judge direct-flow input end
Transient voltage VdcWith ac input end transient voltage VacDifference whether be greater than the second preset value Y；If so, described in timing
Difference is greater than the duration T of the second preset value Yy, the duration TyGreater than the second preset time T2When, it re-starts slow
Starting；Otherwise it does not operate, waiting powers on.
Further, the control module is single-chip microcontroller, is used for the duration TxGreater than the first preset value T1When；Control
Make the load of control device the shutdown relay module and operation of air conditioner.
The control device and a kind of above-mentioned air conditioning control method compared with the existing technology possessed by advantage it is identical, herein
It repeats no more.
Another object of the present invention is to propose a kind of air conditioner, to solve to have wave in the power up after air-conditioning power down
The problem of gushing, being unable to effective protection electronic component.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of air conditioner includes a kind of any of the above-described control device.
Possessed advantage is identical compared with the existing technology with above-mentioned control device for the air conditioner, and details are not described herein.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the circuit diagram of control device of the present invention；
Fig. 2 is the flow chart one of control method described in the embodiment of the present invention 1；
Fig. 3 is the flowchart 2 of control method described in the embodiment of the present invention 2.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, since there are a big electrolytic capacitors at the end ab, the impact of surge current in order to prevent when powering on.
Go here and there a PTC resistor R1 in major loop, after the completion of capacitor charging, the actuation of chip controls relay K1 is shorted out PTC resistor
R1 is handled by normal power supply, to realize soft start function.Air-conditioning in actual use, powers off when standby, and Vi is without defeated
Enter, the electrolytic capacitor at the end ab can discharge, and single-chip microcontroller is caused to have electricity, the general 30S-50S of discharge cycle always.If in this period
It is interior, it re-powers, since single-chip microcontroller does not reset, K1 relay is constantly in attracting state, and without soft start function, there are waves
Electric current conflict is gushed, the hidden danger of component is damaged.For this reason, it may be necessary to design corresponding power supply delay startup according to according to power-on of air conditioner situation
Control method.
Embodiment 1
As shown in Fig. 2, a kind of air conditioning control method, including, the transient voltage V of direct-flow input end is obtained respectivelydcWith exchange
The transient voltage V of input terminalac；Judge the transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacDifference
Whether the first preset value X is greater than；It is that then difference described in timing is greater than the duration T of the first preset value Xx, the duration
TxGreater than the first preset value T1, then judge air-conditioning power down, send power-off signal to control device, the control device turns off relay
The load of device module and operation of air conditioner；Otherwise, judge the non-power down of air-conditioning.
Power down, which powers on, in the effective solution of the present invention air-conditioning short time can lead to the problem of surge current, be promoted entire empty
The reliability of tune.
Embodiment 2
As shown in figure 3, the difference of the present embodiment and above-described embodiment 1 is, a kind of air conditioning control method, specifically include with
Lower step:
S1, the AD sampled value Z for obtaining ac input end in real time1And the AD sample magnitude Z of direct-flow input end2；
Specifically, because the voltage waveform of ac input end is the input waveform of sine wave variation.Therefore, it obtains in real time
The AD sampled value Z of ac input end1, Z1Range 0-1023.The AD sample magnitude Z of direct-flow input end2Generally it is under normal circumstances
Variation is not generated, but such as encounters power down or electrifying condition, the AD sample magnitude Z of DC DC input terminal2Or can have one
The input waveform of a sine wave variation.Therefore, the AD sample magnitude Z of direct-flow input end is obtained in real time2, Z2Range 0-1023.
Delay startup is judged by the voltage of the voltage and direct-flow input end that obtain ac input end, without by any
Additional equipment or device, being capable of effective save the cost.
S2, according to AD sampled value Z1Calculate the transient voltage V of ac input endac,
Vac=(Z1-2n-1)/2n-1A1；
Wherein, Z1Range are as follows: 0 to 2n- 1, n are the digit of AD conversion chip, A1It is Z1It is 2nCorresponding V when -1acVoltage
Value；
According to AD sampled value Z2Calculate the transient voltage V of direct-flow input enddc,
Vdc=(Z2/2n)A2；
Wherein, Z2Range are as follows: 0 to 2n, n is the digit of AD conversion chip, A2It is Z2It is 2nWhen corresponding VdcVoltage value.
Specifically, in ac input end transient voltage VacOutput is also the waveform of sine wave variation, and range is 0V-
5V, similarly, the transient voltage V of direct-flow input enddcWhen not entering direct-flow inverter, power down does not occur or does not become when powering on
Change, when power down or when powering on, generates the waveform of sine wave variation, range is 0V-5V.
It should be noted that the transient voltage V of ac input endacWith the transient voltage V of direct-flow input enddcIt is connected to list
The exchange end thief hatch of Bigpian, by the way of 10 bit AD samples, therefore, Vac sampling are as follows: the range of 0V-5V correspondence ± 512V.
Wherein corresponding-the 512V of 0V, 5V correspond to 512V, and 2.5V corresponds to 0V.Other press linear scale calculating.VdcSampling are as follows: 0V-5V is corresponding
0V-493V is calculated by linear scale.When exchanging the power-off of end voltage, the virtual value of ac input end voltage is 0, Vac=0.Together
When electrolytic capacitor discharging, the transient voltage V of direct-flow input enddcSlowly declining.
S3, the transient voltage V for judging direct-flow input enddcWith the transient voltage V of ac input endacDifference whether be greater than
First preset value X is that then the difference is greater than the duration T of the first preset value Xx, then judge air-conditioning power down, filled to control
Set transmission power-off signal, the load of control device the shutdown relay module and operation of air conditioner；Otherwise, judge that air-conditioning does not fall
Electricity.
Specifically, calculating the transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacAD sampled value Z1
And Z2Difference, and by Z1And Z2Difference equivalent sampling value Z corresponding with the first preset value XxIt is compared；As n=10,
The range of first preset value X are as follows: 120-160.
It should be noted that the transient voltage V of ac input endacWith the transient voltage V of direct-flow input enddcIt turns to immeasurable
The integer of guiding principle；As the transient voltage V of direct-flow input enddcThe transient voltage V of ac input endacDifference be greater than the first preset value
It is possible to be capable of deciding whether that there are power down, is the timing and continuous time by X.To judge that power down improves accuracy.
S4, timing and continuous time Tx, judge duration TxWhether the first preset time T is greater than1, if so, air-conditioning falls
Electricity；If it is not, not operating then, waiting is powered on.
Specifically, control device receives power-off signal, shutdown relay and other loads after air-conditioning power down；
It should be noted that when air-conditioning power down, if restoring normal in electrolytic capacitor discharge cycle interior power.Direct current is defeated
The transient voltage Vdc for entering end slowly rises.Vac is sine wave input voltage, as a result directly after rectifier, direct-flow input end
Transient voltage Vdc is the transient voltage Vac crest voltage of ac input end, and the transient voltage Vdc of direct-flow input end is that exchange is defeated
Enter 1.414 times of the transient voltage Vac at end.
After S5, air-conditioning power down, continue the transient voltage V for judging direct-flow input enddcWith ac input end transient voltage Vac's
Whether difference is less than the second preset value Y；If so, difference described in timing is greater than the duration T of the second preset value Yy；Otherwise not
Operation, waiting power on.
Specifically, judging the transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacDifference whether
It include: the transient voltage V for calculating direct-flow input end less than the second preset value YdcWith the transient voltage V of ac input endacAD adopt
Sample value Z1And Z2Difference, and by Z1And Z2Difference equivalent sampling value Y corresponding with the second preset value YxIt is compared, works as n=
When 10, the range of the second preset value are as follows: 80-100.
After air-conditioning power down, the transient voltage V of direct-flow input end is detecteddcAc input end transient voltage VacIt is less than
Second preset value Y, illustrates to have restored electricity, and after waiting for a period of time, can carry out delay startup control, is in order to will be internal
Equipment or module electricity all discharge；Prevent the generation of surge.
S6, timing and continuous time Ty, judge whether duration T y is greater than the second preset time T2；If so, continue into
The control of row delay startup；Otherwise it does not operate, waiting powers on.
Specifically, the transient voltage V of direct-flow input enddcAc input end transient voltage VacAfter the second preset value Y,
Timing starts, the time that timing is waited；Work as duration TyGreater than the second preset time T2When, T2Range be 0~10s, compared with
Good, T2For 5s, discharges single-chip microcontroller or the remaining electricity of control module all, prevent with the presence of remaining electrophoresis.
It should be noted that waiting 3-5s after delay startup continues control, relay module obtains pickup signal, into
Row is attracted.3-5s is waited, prevents from causing the damage of electric elements there are also the presence of remaining surge.
The safety of circuit is effectively protected in the present invention, improves its reliability.So that the delay startup control of inverter is more
Reliably.Power down it can also power in the effective solution short time and lead to the problem of surge current, without increasing cost, additionally it is possible to have
Effect protection electronic component, improves the service life of electronic component.
Embodiment 3
A kind of control device, including, relay module, the situation for translation circuit；When power down, disconnects two lateral circuits and connect
It connects；When powering on, it is closed two sides circuit connection；
Control module obtains the transient voltage V of direct-flow input end respectivelydcWith the transient voltage V of ac input endac；Judgement
The transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacDifference whether be greater than the first preset value X；It is,
Then difference described in timing is greater than the duration T of the first preset value Xx, the duration TxGreater than the first preset value T1, then sentence
Disconnected air-conditioning power down sends power-off signal, the load of control device the shutdown relay module and operation of air conditioner to control device；
Otherwise, judge the non-power down of air-conditioning；After judging the air-conditioning power down, continue the transient voltage V for judging direct-flow input enddcIt is defeated with exchanging
Enter to hold transient voltage VacDifference whether less than the second preset value Y；If so, difference described in timing is greater than the second preset value Y's
Duration Ty, the duration TyGreater than the second preset time T2When, re-start delay startup；Otherwise it does not operate, in waiting
Electricity.
Control module is single-chip microcontroller, is used for the duration TxGreater than the first preset value T1When；Control the control device
Turn off the load of relay module and operation of air conditioner.
Control device of the present invention, can be by way of not changing existing circuit connection, and effective solution is short
Power down, which powers on, in time leads to the problem of surge current, high reliablity, without increasing cost.And the present invention passes through control module
Multilevel iudge and control to relay module, are realized by software programming.Can be improved in this way real-time and
Flexibility.And can also effective solution power down when there are surge current conflicts, reduce the spoilage of electric elements.Further
Improve the service life of entire component.
Embodiment 4
A kind of air conditioner, including the control device in embodiment 3.Air conditioner of the present invention can be effectively solved sky
Power down, which powers on, when adjusting standby, in the short time leads to the problem of surge current, high reliablity, without increasing cost.Sky is promoted simultaneously
Adjust whole aircraft reliability.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of air conditioning control method, which is characterized in that including,
The transient voltage V of direct-flow input end is obtained respectivelydcWith the transient voltage V of ac input endac；Judge the wink of direct-flow input end
Between voltage VdcWith the transient voltage V of ac input endacDifference whether be greater than the first preset value X；
It is that then difference described in timing is greater than the duration T of the first preset value Xx, the duration TxGreater than the first preset value
T1, then judge air-conditioning power down, send power-off signal, the control device shutdown relay module and operation of air conditioner to control device
Load；Otherwise, judge the non-power down of air-conditioning；
After judging the air-conditioning power down, continue the transient voltage V for judging direct-flow input enddcWith ac input end transient voltage Vac's
Whether difference is greater than the second preset value Y；If so, difference described in timing is greater than the duration T of the second preset value Yy, described to hold
Continuous time TyGreater than the second preset time T2When, re-start delay startup；Otherwise it does not operate, waiting powers on.
2. air conditioning control method according to claim 1, which is characterized in that the transient voltage for obtaining ac input end
VacIt include: the AD sampled value Z for obtaining signal1, and according to AD sampled value Z1Calculate Vac,
Vac=(Z1-2n-1)/2n-1A1；
Wherein, Z1Range are as follows: 0 to 2n- 1, n are the digit of AD conversion chip, A1It is Z1It is 2nCorresponding V when -1acVoltage value；
The transient voltage V for obtaining direct-flow input enddcIt include: the AD sampled value Z for obtaining signal2, and according to AD sampled value Z2Meter
Calculate Vdc,
Vdc=(Z2/2n)A2；
Wherein, Z2Range are as follows: 0 to 2n, n is the digit of AD conversion chip, A2It is Z2It is 2nWhen corresponding VdcVoltage value.
3. according to air conditioning control method as claimed in claim 2, which is characterized in that judge the transient voltage V of direct-flow input enddcWith friendship
Flow the transient voltage V of input terminalacDifference whether be greater than the first preset value X include: calculate direct-flow input end transient voltage Vdc
With the transient voltage V of ac input endacAD sampled value Z1And Z2Difference, and by Z1And Z2Difference and X pairs of the first preset value
The equivalent sampling value Z answeredxIt is compared；
Judge the transient voltage V of direct-flow input enddcWith the transient voltage V of ac input endacDifference it is whether default less than second
Value Y includes: the transient voltage V for calculating direct-flow input enddcWith the transient voltage V of ac input endacAD sampled value Z1And Z2's
Difference, and by Z1And Z2Difference equivalent sampling value Y corresponding with the second preset value YxIt is compared.
4. air conditioning control method according to claim 3, which is characterized in that the AD conversion chip digit is 10, i.e. n
=10, the equivalent sampling value Z of the first preset value XXRange are as follows: 120-160；The equivalent sampling of the second preset value Y
Value YXRange are as follows: 80-100.
5. air conditioning control method according to claim 1, which is characterized in that second preset time T2Range are as follows: 0-
10s。
6. -5 any air conditioning control method according to claim 1, which is characterized in that the delay startup includes starting
Afterwards, 3-5s is waited, pickup signal is sent to relay module, controls the relay module and be attracted.
7. a kind of control device, which is characterized in that including,
Relay module, the situation for translation circuit；When power down, two sides circuit connection is disconnected；When powering on, it is closed two lateral circuits
Connection；
Control module obtains the transient voltage V of direct-flow input end respectivelydcWith the transient voltage V of ac input endac；Judge direct current
The transient voltage V of input terminaldcWith the transient voltage V of ac input endacDifference whether be greater than the first preset value X；It is then to count
Shi Suoshu difference is greater than the duration T of the first preset value Xx, the duration TxGreater than the first preset value T1, then judge sky
Power down is adjusted, sends power-off signal, the load of control device the shutdown relay module and operation of air conditioner to control device；It is no
Then, judge the non-power down of air-conditioning；After judging the air-conditioning power down, continue the transient voltage V for judging direct-flow input enddcIt is inputted with exchanging
Hold transient voltage VacDifference whether be greater than the second preset value Y；If so, the holding greater than the second preset value Y of difference described in timing
Continuous time Ty, the duration TyGreater than the second preset time T2When, re-start delay startup；Otherwise it does not operate, in waiting
Electricity.
8. control device according to claim 7, which is characterized in that the control module is single-chip microcontroller, is held for described
Continuous time TxGreater than the first preset value T1When；Control the load of control device the shutdown relay module and operation of air conditioner.
9. a kind of air conditioner, which is characterized in that including according to the control device any in claim 7-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969222.2A CN109084448B (en) | 2018-08-23 | 2018-08-23 | A kind of air conditioning control method, device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969222.2A CN109084448B (en) | 2018-08-23 | 2018-08-23 | A kind of air conditioning control method, device and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109084448A CN109084448A (en) | 2018-12-25 |
| CN109084448B true CN109084448B (en) | 2019-07-02 |
Family
ID=64794462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810969222.2A Active CN109084448B (en) | 2018-08-23 | 2018-08-23 | A kind of air conditioning control method, device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109084448B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131834B (en) * | 2019-05-20 | 2020-08-11 | 珠海格力电器股份有限公司 | Power failure identification method and device and air conditioner |
| CN111473464B (en) * | 2020-04-07 | 2022-01-28 | 海信（广东）空调有限公司 | Air conditioner control method and air conditioner |
| CN111697806A (en) * | 2020-06-05 | 2020-09-22 | 广东浪潮大数据研究有限公司 | Power supply impact current suppression circuit |
| CN113701306B (en) * | 2021-08-31 | 2022-09-09 | 佛山市顺德区美的电子科技有限公司 | Protection control method and device for compressor in air conditioner and motor controller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5851727A (en) * | 1981-09-22 | 1983-03-26 | 関西電力株式会社 | Disconnection detector for dc transmission line |
| US5408172A (en) * | 1992-11-25 | 1995-04-18 | Sharp Kabushiki Kaisha | Step-down circuit for power supply voltage capable of making a quick response to an increase in load current |
| CN104638616A (en) * | 2014-12-29 | 2015-05-20 | 广东美的制冷设备有限公司 | Variable-frequency air conditioner and voltage-surge-proof protection method and device for variable-frequency air conditioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441660B (en) * | 2013-03-06 | 2018-02-13 | 上海斐讯数据通信技术有限公司 | A kind of DC power slow start circuit of gateway device |
-
2018
- 2018-08-23 CN CN201810969222.2A patent/CN109084448B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5851727A (en) * | 1981-09-22 | 1983-03-26 | 関西電力株式会社 | Disconnection detector for dc transmission line |
| US5408172A (en) * | 1992-11-25 | 1995-04-18 | Sharp Kabushiki Kaisha | Step-down circuit for power supply voltage capable of making a quick response to an increase in load current |
| CN104638616A (en) * | 2014-12-29 | 2015-05-20 | 广东美的制冷设备有限公司 | Variable-frequency air conditioner and voltage-surge-proof protection method and device for variable-frequency air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109084448A (en) | 2018-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109084448B (en) | A kind of air conditioning control method, device and air conditioner | |
| CN103219878B (en) | A kind of capacitor discharging circuit and power inverter | |
| CN101685975B (en) | Method and device of soft start of bus voltage in uninterruptible power supply | |
| US8369051B2 (en) | Circuit arrangement and method for increasing the safety of an electronic operating device | |
| CN109084447A (en) | A kind of air conditioning control method, device and air conditioner | |
| US9343951B2 (en) | High-voltage protection circuit, high-voltage protection method and power supply | |
| CN104633861B (en) | A kind of convertible frequency air-conditioner and its power-supplying circuit | |
| CN108649792B (en) | Boost circuit, switching power supply, power supply system and control method | |
| CN110350584B (en) | Control method and control device of photovoltaic system, photovoltaic system and storage medium | |
| US9041245B2 (en) | Power supply apparatus and method to control the same | |
| CN110460105B (en) | Starting method and controller of photovoltaic air conditioning system and photovoltaic air conditioning system | |
| CN112865578A (en) | Power supply system integrated control method, device and storage medium | |
| CN108847803B (en) | Variable frequency control circuit, variable frequency air conditioner control circuit and variable frequency air conditioner | |
| CN102497009A (en) | Bus soft start circuit of uninterrupted power supply, and method for the same | |
| CN105322773B (en) | Soft-start circuit and its operating method | |
| CN111817535B (en) | Standby zero-power-consumption switching power supply and electric equipment | |
| CN103269118B (en) | A kind of back-up source power-supplying circuit | |
| EP3367559B1 (en) | Air conditioner | |
| CN109084446B (en) | A kind of air conditioning control method, device and air conditioner | |
| CN110829817B (en) | Control circuit, control method and device of control circuit and air conditioner | |
| CN102474173B (en) | Method and circuit for correcting power factor | |
| CN102801383A (en) | Alternating current motor driving device with charging function and charging method thereof | |
| CN208316296U (en) | Overvoltage protection circuit and compressor and air conditioner with same | |
| CN215498271U (en) | Control device of direct-current power supply and air conditioner | |
| CN204441860U (en) | For protective circuit and the wireless power supply of wireless power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |