CN110701030A - Air conditioner water pump control device and control method - Google Patents
Air conditioner water pump control device and control method Download PDFInfo
- Publication number
- CN110701030A CN110701030A CN201910887410.5A CN201910887410A CN110701030A CN 110701030 A CN110701030 A CN 110701030A CN 201910887410 A CN201910887410 A CN 201910887410A CN 110701030 A CN110701030 A CN 110701030A
- Authority
- CN
- China
- Prior art keywords
- water pump
- air conditioner
- detection circuit
- signal
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an air conditioner water pump control device and a control method, wherein the control device comprises: a master controller; the ultrasonic liquid level meter comprises a relay inside; a water pump; the output end of the water pump operation detection circuit is connected with the main controller, and the water pump operation detection circuit outputs a first signal when the water pump is started and outputs a second signal when the water pump is stopped; the fire wire input end of the water pump and the fire wire input end of the water pump operation detection circuit are connected with a power supply fire wire through a normally open contact of a relay, the zero line input end of the water pump and the zero line input end of the water pump operation detection circuit are connected with a power supply zero line, and when the ultrasonic liquid level meter detects that the water level in the water pan exceeds a set threshold value, the relay is powered on; the main controller controls the air conditioner to stop when the water pump abnormally operates according to the first signal. The invention is used for solving the problems of short service life of the water pump and poor control reliability of the water pump in the existing air conditioner.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner water pump control device and a control method.
Background
When the air conditioner is in a refrigeration and dehumidification mode, a certain amount of water is generated and deposited in the water receiving disc, the water is discharged outdoors by the drainage pump, at present, the drainage of the indoor unit of the air conditioner generally adopts the float water level switch to be matched with the water pump for drainage, and the float water level switch and the water pump are controlled independently. Generally, in a refrigeration mode, even if the water level does not exceed a preset water level, the water pump is always in a working state, and only when the floater water level switch sends out an alarm signal, the air conditioner controls the water pump to operate for a certain time and then stops the water pump.
The air conditioner does not control the running state of the water pump according to the actual water level in the water pan, so that the water pump is always in a working power consumption and heating state, and the service life of the water pump is influenced; meanwhile, the floater water level switch is often accidentally blocked due to structural interference in actual use, so that false alarm is caused, the air conditioner is unreliable in controlling the water pump, the reliability of the air conditioner is influenced, and the user experience is reduced.
Disclosure of Invention
The invention aims to provide an air conditioner water pump control device, which is used for solving the problems of short service life of a water pump and poor control reliability of the water pump in the existing air conditioner.
In order to solve the technical problems, the invention provides the following technical scheme for solving the problems:
an air conditioner water pump control device, characterized by comprising: a master controller; the ultrasonic liquid level meter comprises a relay inside; a water pump; the output end of the water pump operation detection circuit is connected with the main controller, and the water pump operation detection circuit outputs a first signal when the water pump is started and outputs a second signal when the water pump is shut down; the live wire input end of the water pump and the live wire input end of the water pump operation detection circuit are connected with a power supply live wire through a normally open contact of the relay, the zero line input end of the water pump and the zero line input end of the water pump operation detection circuit are connected with a power supply zero line, and when the ultrasonic liquid level meter detects that the water level in the water pan exceeds a set threshold value, the relay is powered on; and the main controller controls the air conditioner to stop when the water pump abnormally operates according to the first signal.
In the air-conditioning water pump control device, the water pump operation detection circuit is an ac zero-cross detection circuit, and when the water pump operation detection circuit receives ac power, the ac zero-cross detection circuit outputs a first signal which is a pulse signal with alternating high and low levels, and when the water pump operation detection circuit does not receive ac power, the ac zero-cross detection circuit continuously outputs a second signal with high level.
According to the air conditioner water pump control device, the alternating current zero-crossing detection circuit comprises the unidirectional optical coupler, a live wire input end of the alternating current zero-crossing detection circuit is connected with a primary first end of the unidirectional optical coupler, a zero line input end of the alternating current zero-crossing detection circuit is connected with a primary second end of the unidirectional optical coupler, a secondary first end of the unidirectional optical coupler is connected between the pull-up resistor and a signal detection end of the main controller, and a secondary second end of the unidirectional optical coupler is grounded.
According to the air conditioner water pump control device, the alternating current zero-crossing detection circuit further comprises a diode, wherein the anode of the diode is connected with the primary second end of the unidirectional optical coupler, and the cathode of the diode is connected with the primary first end of the unidirectional optical coupler.
According to the air conditioner water pump control device, the alternating current zero-crossing detection circuit further comprises a voltage reduction circuit arranged between the live wire input end and the zero wire input end of the alternating current zero-crossing detection circuit.
The air-conditioning water pump control device as described above, the ac zero-cross detection circuit further includes a transient suppressor disposed at the front end of the ac zero-cross detection circuit and between the live input end and the zero input end of the ac zero-cross detection circuit.
The second purpose of the invention is to provide an air conditioner water pump control method, which is used for realizing reliable control of a water pump when the water pump abnormally operates, improving the control reliability of the water pump and prolonging the service life of the water pump.
In order to solve the technical problems, the invention provides the following technical scheme for solving the problems:
an air conditioner water pump control method is characterized by being realized based on the air conditioner water pump control device, and comprising the following steps: detecting that the water pump is in a running state; if the input duration of a first signal representing the operation of the water pump exceeds the set time, detecting whether the air conditioner is in a refrigeration mode or a dehumidification mode, and if not, controlling the air conditioner to stop; if so, the outdoor unit of the air conditioner is shut down, and if the input first signal can be detected after the period of time, the air conditioner is controlled to be shut down.
The control method of the air conditioner water pump further comprises the step of alarming when the air conditioner is stopped.
According to the air-conditioning water pump control device and the control method, the water level in the water receiving box is detected through the ultrasonic liquid level meter, an electric signal is sent out when the water level in the water receiving box reaches the threshold water level, the control of starting and stopping the water pump based on the actual water level in the water receiving box is realized by utilizing the electric signal, the water pump is prevented from being always in an operating state, and the service life of the water pump is prolonged; and through the first signal that makes the water pump operation of water pump operation detection circuit output, realize when the water pump abnormal operation, effective control air conditioner shuts down, realizes that the water pump effectively shuts down, promotes the use reliability of water pump and whole air conditioner.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or the prior art will be briefly described below, and it is obvious that the drawings described below are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a block diagram of an embodiment of an air-conditioning water pump control apparatus of the present invention;
fig. 2 is a schematic circuit diagram of an embodiment of the air-conditioning water pump control apparatus shown in fig. 1;
fig. 3 is a flowchart illustrating an embodiment of an air conditioner water pump control method according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to realize the detection of the water level in the butt joint water tray, avoid the water pump from being always in the running state and improve the reliability of water level detection and the running reliability of the water pump, as shown in figure 1, the invention relates to an air conditioner water pump control device, which comprises: a master controller 1; an ultrasonic liquid level meter 2, which comprises a relay inside; a water pump 3; the water pump operation detection circuit 4 is connected with the main controller 2 at the output end, and outputs a first signal when the water pump 3 is started and outputs a second signal when the water pump 3 is stopped; the live wire input end of the water pump 3 and the live wire input end of the water pump operation detection circuit 4 are connected with a power supply live wire L through a normally open contact of a relay, the zero line input end of the water pump 3 and the zero line input end of the water pump operation detection circuit 4 are connected with a power supply zero line N, and when the ultrasonic liquid level meter 2 detects that the water level in the water pan exceeds a set threshold value, the relay is powered on; the main controller 1 controls the air conditioner to stop when the water pump 3 abnormally operates according to the received first signal. Ultrasonic wave level gauge 2 detects the water level and converts water level signal into the signal of telecommunication through ultrasonic signal, contain the relay in this embodiment ultrasonic wave level gauge 2, it equals when setting for the threshold value to detect the water level at ultrasonic wave level gauge 2, the relay is got electric, make the normally open contact closure of relay, the alternating current supplies power to water pump 3 this moment, the operation is opened to water pump 3, water in the butt joint water tray is discharged, and make the water level that detects be less than when setting for the threshold value after the drainage, the relay loses the electricity, make the normally open contact disconnection of relay, the alternating current disconnection is to the power supply of water pump 3 this moment, water pump 3 shut down, actual level detection in ultrasonic wave level gauge 2 butt joint water tray, avoid water pump 3 to be in running state always, extension water pump 3.
In order to detect the operation signal of the water pump 3, it is avoided that the water pump 3 is always in an operation state due to the abnormal water level or the abnormal ultrasonic level meter 2, in this embodiment, a water pump operation detection circuit 4 is designed, the water pump operation detection circuit 4 receives alternating current when the water pump 3 is started, and outputs a first signal, and when the water pump 3 is stopped, no alternating current is supplied, a second signal is output at the moment, the water pump 3 operates, that is, the master controller 1 receives the first signal, in order to ensure that the water pump 3 operates normally when operating, the operation state of the water pump 3 needs to be detected, the situation that the water pump 3 keeps operating when not operating due to abnormality is avoided, the operation reliability of the water pump 3 is improved, and the service life of the water.
As shown IN fig. 2, IN order to realize the detection of the operation state of the water pump 3, the water pump operation detection circuit 4 of the present embodiment is an ac zero-cross detection circuit, and supplies power to the ac zero-cross detection circuit while supplying power to the water pump 3 by ac power, specifically, the ac zero-cross detection circuit includes a unidirectional optical coupler U1, a primary first end a of the unidirectional optical coupler U1 is connected to the live line L of the power supply, a primary second end K is connected to the zero line N of the power supply, a secondary first end C is connected between the pull-up resistor R16 and the signal detection end IN of the main controller 1, and a secondary second end K is grounded.
In order to realize overcurrent and overheat protection, a FUSE FUSE is connected to the input end of a power supply live wire L, and in order to avoid surge current introduced by alternating current, a rear end circuit is protected, and a transient suppressor VA2 is arranged at the power supply input end of an alternating current zero-crossing detection circuit. The alternating current zero-crossing detection circuit further comprises a diode D1, the anode of the diode D1 is connected with the second primary end K of the unidirectional optocoupler U1, the cathode of the diode D1 is connected with the first primary end a of the unidirectional optocoupler U1, and the alternating current needs to be stepped down by a step-down circuit before being input into the alternating current zero-crossing detection circuit, wherein the step-down circuit in the embodiment comprises a current-limiting resistor R17 and a resistor R18 connected with the diode D1 in parallel.
During an alternating current forward direction period, a power supply live wire L enters a primary side of a one-way optocoupler U1 through a current limiting resistor R17 and then returns to a power supply zero line N to form a loop, a conduction voltage difference is formed at two primary ends of the one-way optocoupler U1, the one-way optocoupler U1 is conducted, a power supply VCC is grounded through a pull-up resistor R16 and a secondary side of the one-way optocoupler U1 at the moment, and a signal detection end IN of a main controller 1 detects a low level at the moment; when the forward voltage of the alternating current gradually decreases and the voltage drops to be smaller than the conduction voltage difference between the two primary ends of the unidirectional optocoupler U1, the unidirectional optocoupler U1 is cut off, and the master controller 1 detects a high level through the pull-up resistor R16, that is, detects the level change of a rising edge from low to high. When the alternating current is IN a negative-going period, a power supply zero line N passes through a diode D1 and a current-limiting resistor R17 and then returns to a power supply live line L to form a loop, at the moment, a unidirectional optical coupler U1 is cut off, the master controller 1 detects a high level through a pull-up resistor R16, and when the alternating current supplies power to the alternating current zero-crossing detection circuit, a pulse signal with alternating high and low levels, namely a first signal, is received at a signal detection end IN of the master controller 1. When the main controller 1 receives the first signal, if the water pump 3 is in abnormal operation, the whole air conditioner is controlled to stop, and at the moment, the water pump 3 is also stopped because the whole air conditioner is stopped.
When no alternating current is supplied to the alternating current zero detection circuit, the unidirectional optocoupler U1 is cut off, and the master 1 detects a high level, namely a second signal through the pull-up resistor R16. When the main controller 1 receives the second signal, the air conditioner is not controlled because the water pump 3 is not operated.
According to the structure of the air-conditioning water pump control apparatus as described above, referring to fig. 3, a control method of the air-conditioning water pump will be described.
S301, detecting that the water pump 3 is in the running state.
When the current water level in the water receiving box reaches the threshold water level, the relay of the ultrasonic liquid level meter 2 is powered on and closed, the alternating current supplies power to the water pump 3, and the water pump 3 operates. Since the water pump 3 is operated by the alternating current power supply and the alternating current zero crossing detection circuit outputs the first signal, i.e., the pulse signal with alternating high and low levels, during the operation, the main controller 1 can detect the first signal representing the operation state of the water pump 3.
Since the water pump 3 is continuously operated even when the water level is abnormal or the ultrasonic level gauge 2 is abnormal, it is also determined whether the water pump 3 should be operated when the water pump 3 is operated.
And S302, judging whether the input duration of the first signal for operating the water pump 3 exceeds the set time, if not, returning to S301, and if so, proceeding to S303. Wherein the setting time is set at will as required.
S303: and judging whether the air conditioner is in a cooling mode or a dehumidifying mode.
Generally, the air conditioner has the comdenstion water to produce under refrigeration mode, dehumidification mode, needs the operation of condensate water level control water pump 3 in the water collector this moment.
If the air conditioner is not in the cooling mode or the dehumidification mode at the moment, the water pump 3 is not in the running state because condensed water is not generated in other modes, if the water pump 3 is detected to be in the running state, the fact that the ultrasonic liquid level meter 2 is abnormal and the water pump 3 runs abnormally is indicated, and at the moment, the air conditioner is controlled to stop so as to be convenient for checking. The water pump 3 is also stopped when the air conditioner is stopped.
If the air conditioner is in the cooling mode or the dehumidifying mode at this time, it proceeds to S304.
S304: the outdoor unit of the air conditioner is turned off.
If it is detected that the water pump 3 is always in the operation state, it indicates that the water pump 3 is abnormally operated due to the abnormal water level or the abnormal ultrasonic level gauge 2, at this time, in order to verify whether the water pump 2 is normally operated, the outdoor unit of the air conditioner is first controlled to be stopped, the inflow of condensed water into the water receiving tray is reduced, and at this time, the water pump 3 is kept to be operated for draining water for a certain time, and then the process goes to S305.
S305: and judging whether the input first signal is still detected after a period of time, if not, returning to S301, and if so, indicating that the water level is abnormal or the ultrasonic liquid level meter 2 is abnormal, and controlling the air conditioner to stop for checking. The water pump 3 is also stopped when the air conditioner is stopped.
In order to remind a user that the air conditioner water pump 3 is abnormal, an alarm prompt can be sent when the whole air conditioner stops, the alarm mode can adopt the existing modes of indicator lamp flashing, honey alarm sounding and the like, and detailed description is omitted.
According to the invention, the ultrasonic liquid level meter 2 is used for detecting the actual water level in the water pan, the water pump 3 is controlled to be started for draining when the actual water level exceeds the threshold value setting, the water pump 3 is prevented from being in a running state all the time, the service life of the water pump 3 is prolonged, the water pump running detection circuit 4 is used for detecting that the water pump is in the running state, and the air conditioner is effectively controlled to be stopped when the water pump 3 runs abnormally, so that the water pump 3 is stopped, the reliable control of the water pump 3 is realized, and the use reliability of the water pump 3 and the whole air conditioner.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. An air conditioner water pump control device, characterized by comprising:
a master controller;
the ultrasonic liquid level meter comprises a relay inside;
a water pump;
the output end of the water pump operation detection circuit is connected with the main controller, and the water pump operation detection circuit outputs a first signal when the water pump is started and outputs a second signal when the water pump is shut down;
the live wire input end of the water pump and the live wire input end of the water pump operation detection circuit are connected with a power supply live wire through a normally open contact of the relay, the zero line input end of the water pump and the zero line input end of the water pump operation detection circuit are connected with a power supply zero line, and when the ultrasonic liquid level meter detects that the water level in the water pan exceeds a set threshold value, the relay is powered on;
and the main controller controls the air conditioner to stop when the water pump abnormally operates according to the first signal.
2. An air conditioning water pump control apparatus according to claim 1, wherein the water pump operation detecting circuit is an ac zero cross detecting circuit that outputs the first signal as a pulse signal alternately high and low when the water pump operation detecting circuit receives ac power, and that continuously outputs the second signal high when the water pump operation detecting circuit does not receive ac power.
3. An air conditioner water pump control device according to claim 2, wherein the ac zero cross detection circuit includes a unidirectional optical coupler, a live input end of the ac zero cross detection circuit is connected to a primary first end of the unidirectional optical coupler, a neutral input end is connected to a primary second end of the unidirectional optical coupler, a secondary first end of the unidirectional optical coupler is connected between the pull-up resistor and the signal detection end of the main controller, and a secondary second end is grounded.
4. An air conditioner water pump control device as claimed in claim 3, wherein said ac zero crossing detection circuit further includes a diode having an anode connected to the primary second end of said unidirectional optical coupler and a cathode connected to the primary first end of said unidirectional optical coupler.
5. An air conditioning water pump control apparatus according to claim 2, wherein the ac zero cross detection circuit further includes a voltage step-down circuit provided between a live input terminal and a neutral input terminal of the ac zero cross detection circuit.
6. An air conditioning water pump control apparatus according to claim 2, wherein the ac zero cross detection circuit further includes a transient suppressor provided at a front end of the ac zero cross detection circuit between a live input terminal and a neutral input terminal of the ac zero cross detection circuit.
7. An air conditioner water pump control method, which is realized based on the air conditioner water pump control device of any one of claims 1 to 6, and comprises the following steps:
detecting that the water pump is in a running state;
if the input duration of a first signal representing the operation of the water pump exceeds the set time, detecting whether the air conditioner is in a refrigeration mode or a dehumidification mode, and if not, controlling the air conditioner to stop; if so, the outdoor unit of the air conditioner is shut down, and if the input first signal can be detected after the period of time, the air conditioner is controlled to be shut down.
8. The air conditioner controlling method as claimed in claim 7, further comprising a step of alarming while the air conditioner is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887410.5A CN110701030B (en) | 2019-09-19 | 2019-09-19 | Air conditioner water pump control device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887410.5A CN110701030B (en) | 2019-09-19 | 2019-09-19 | Air conditioner water pump control device and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110701030A true CN110701030A (en) | 2020-01-17 |
| CN110701030B CN110701030B (en) | 2020-11-06 |
Family
ID=69195768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910887410.5A Active CN110701030B (en) | 2019-09-19 | 2019-09-19 | Air conditioner water pump control device and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110701030B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878198A (en) * | 2022-06-06 | 2022-08-09 | 珠海格力电器股份有限公司 | Fault detection circuit and method and air conditioning equipment |
| CN114923218A (en) * | 2022-03-29 | 2022-08-19 | 青岛海信日立空调***有限公司 | Air conditioner |
| CN114935204A (en) * | 2022-05-30 | 2022-08-23 | 浙江中广电器集团股份有限公司 | Drainage control method of air conditioner |
| RU214334U1 (en) * | 2022-08-15 | 2022-10-21 | Алексей Михайлович Романцов | Device for spraying condensate air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110262285A1 (en) * | 2005-03-25 | 2011-10-27 | Charles Barry Ward | Condensate Pump |
| CN202108713U (en) * | 2011-05-19 | 2012-01-11 | 宝山钢铁股份有限公司 | Intelligent integrated device for liquid level detection and water pump control |
| CN105352163A (en) * | 2015-12-02 | 2016-02-24 | 珠海格力电器股份有限公司 | Air conditioning drainage system, drainage control method and air conditioning indoor unit |
| CN205064240U (en) * | 2015-09-25 | 2016-03-02 | 福州盈泰电气科技有限公司 | Monomer hand self -draining switch board |
| JP2016191501A (en) * | 2015-03-31 | 2016-11-10 | ダイキン工業株式会社 | Drain pump device |
| CN108626843A (en) * | 2018-04-28 | 2018-10-09 | 四川虹美智能科技有限公司 | A kind of air-conditioner drain pump control system and method |
| CN108917087A (en) * | 2018-07-30 | 2018-11-30 | 奥克斯空调股份有限公司 | A kind of mobile air conditioner water discharge control method, drainage control system and mobile air conditioner |
| CN109269032A (en) * | 2018-09-30 | 2019-01-25 | 珠海格力电器股份有限公司 | The control method and air-conditioning equipment of air-conditioner outdoor unit water pump |
-
2019
- 2019-09-19 CN CN201910887410.5A patent/CN110701030B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110262285A1 (en) * | 2005-03-25 | 2011-10-27 | Charles Barry Ward | Condensate Pump |
| CN202108713U (en) * | 2011-05-19 | 2012-01-11 | 宝山钢铁股份有限公司 | Intelligent integrated device for liquid level detection and water pump control |
| JP2016191501A (en) * | 2015-03-31 | 2016-11-10 | ダイキン工業株式会社 | Drain pump device |
| CN205064240U (en) * | 2015-09-25 | 2016-03-02 | 福州盈泰电气科技有限公司 | Monomer hand self -draining switch board |
| CN105352163A (en) * | 2015-12-02 | 2016-02-24 | 珠海格力电器股份有限公司 | Air conditioning drainage system, drainage control method and air conditioning indoor unit |
| CN108626843A (en) * | 2018-04-28 | 2018-10-09 | 四川虹美智能科技有限公司 | A kind of air-conditioner drain pump control system and method |
| CN108917087A (en) * | 2018-07-30 | 2018-11-30 | 奥克斯空调股份有限公司 | A kind of mobile air conditioner water discharge control method, drainage control system and mobile air conditioner |
| CN109269032A (en) * | 2018-09-30 | 2019-01-25 | 珠海格力电器股份有限公司 | The control method and air-conditioning equipment of air-conditioner outdoor unit water pump |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923218A (en) * | 2022-03-29 | 2022-08-19 | 青岛海信日立空调***有限公司 | Air conditioner |
| CN114923218B (en) * | 2022-03-29 | 2023-08-18 | 青岛海信日立空调***有限公司 | Air conditioner |
| CN114935204A (en) * | 2022-05-30 | 2022-08-23 | 浙江中广电器集团股份有限公司 | Drainage control method of air conditioner |
| CN114935204B (en) * | 2022-05-30 | 2023-11-17 | 浙江中广电器集团股份有限公司 | Drainage control method of air conditioner |
| CN114878198A (en) * | 2022-06-06 | 2022-08-09 | 珠海格力电器股份有限公司 | Fault detection circuit and method and air conditioning equipment |
| RU214334U1 (en) * | 2022-08-15 | 2022-10-21 | Алексей Михайлович Романцов | Device for spraying condensate air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110701030B (en) | 2020-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110701030B (en) | Air conditioner water pump control device and control method | |
| CN108195020B (en) | Control method and control device, storage medium and variable frequency air conditioning equipment | |
| JP4501923B2 (en) | Home energy management system | |
| CN106403142B (en) | Multi-online air-conditioning system indoor unit abnormal power-down guard method | |
| US20120078433A1 (en) | Grid connected system | |
| CN103512146B (en) | Air conditioning control method and device | |
| JP5494749B2 (en) | Air conditioner | |
| JP5716350B2 (en) | Current sensor erroneous installation determination method and combined power generation system | |
| JP5853766B2 (en) | Electrical equipment | |
| JP5692318B2 (en) | Refrigeration cycle equipment | |
| TWI639801B (en) | Energy storage control module | |
| JP2004363661A (en) | Demand control system for household electric appliance | |
| JP4492199B2 (en) | Current control device and control method for indoor power line in apartment house | |
| CN111486599A (en) | Electric water heater electric leakage detection system and electric water heater | |
| CN113038639B (en) | Electric heating switch control circuit and air conditioner with same | |
| CN106813342B (en) | A kind of control method of infrared humidifier and infrared humidifier | |
| KR101910942B1 (en) | Apparatus and method for sensing reversed phase of input source in air conditioner | |
| JP2010017033A (en) | Plug receptacle | |
| CN110542173B (en) | Detection method for multi-split air conditioner | |
| JP2013139892A (en) | Air conditioner | |
| CN110671752A (en) | Water fullness control method and device of mobile air conditioner | |
| JP2009071999A (en) | Power storage device | |
| CN218817283U (en) | Regulation and control system | |
| KR101651652B1 (en) | Peak power control system by operating output value of heater in electric furnace | |
| JPH08121841A (en) | Air conditioner |
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 |