CN204187779U - Air-conditioner - Google Patents
Air-conditioner Download PDFInfo
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- CN204187779U CN204187779U CN201420614737.8U CN201420614737U CN204187779U CN 204187779 U CN204187779 U CN 204187779U CN 201420614737 U CN201420614737 U CN 201420614737U CN 204187779 U CN204187779 U CN 204187779U
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Abstract
The utility model provides a kind of air-conditioner, comprises indoor set and off-premises station, and off-premises station comprises blower fan and mainboard, and blower fan is electrically connected to mainboard; Indoor set comprises display board, and display board is connected with mainboard communication, display panel used in control signal is sent to mainboard, and mainboard can drive blower fan to reverse according to the off signal of described display board and control the duration of blower fan reversion.Air-conditioner of the present utility model, by the reversion of blower fan, reaches the object blowing away dust stratification on condenser, achieve the automated cleaning of condenser, thus improve the heat transfer effect of condenser, improve the refrigeration of air-conditioning, heating effect, improve the reliability of compressor operating.
Description
Technical field
The utility model relates to air-conditioner technical field, particularly relates to a kind of air-conditioner.
Background technology
Air-conditioning condenser runs under environment in the open, and condenser easily accumulating dust etc., it is dirty stifled to cause, and causes the heat transfer effect of condenser to be deteriorated, the refrigeration of air-conditioning, heating effect degradation.Meanwhile, what condenser caused because to accumulate dust etc. dirty stifledly makes that the delivery temperature of compressor raises, load increase, and longtime running can shorten the service life of compressor greatly.And modern building is built higher and higher, the off-premises station of air-conditioning is arranged on room exterior wall mostly, makes the clean more and more difficult of condenser.
Utility model content
In view of the present situation of prior art, the purpose of this utility model is to provide a kind of air-conditioner, achieves the automated cleaning of condenser, improves the heat transfer effect of condenser, improves air-conditioner refrigeration or heating effect, improves the reliability of compressor operating.
For achieving the above object, the utility model adopts following technical scheme:
A kind of air-conditioner, comprises indoor set and off-premises station,
Off-premises station comprises blower fan and mainboard, and described blower fan is electrically connected to described mainboard; Described indoor set comprises display board, described display board is connected with described mainboard communication, described display panel used in control signal is sent to described mainboard, described mainboard can drive described blower fan to reverse according to the off signal of described display board and control the duration of described blower fan reversion.
Wherein in an embodiment, described blower fan is three-phase blower fan, and described air-conditioner also comprises the first relay and the second relay;
The normally-closed contact K2 of described second relay of coil KM1 series connection of described first relay is connected to the first fan interface FAN1 of described mainboard, and the normally-closed contact K1 of described first relay of coil KM2 series connection of described second relay is connected to the second fan interface FAN2 of described mainboard;
The L1 phase of AC power is connected to after first normally opened contact a1 of described first relay of first input end U series connection of described blower fan, be connected to the L2 phase of described AC power after second normally opened contact a2 of described first relay of the second input V series connection of described blower fan, after the 3rd normally opened contact a3 of described first relay of the 3rd input W series connection of described blower fan, be connected to the L3 phase of AC power;
The L1 phase of AC power is connected to after first normally opened contact b1 of described second relay of first input end U series connection of described blower fan, be connected to the L3 phase of described AC power after second normally opened contact b2 of described second relay of the second input V series connection of described blower fan, after the 3rd normally opened contact b3 of described second relay of described blower fan the 3rd input W series connection, be connected to the L2 phase of AC power.
Wherein in an embodiment, described blower fan is DC fan, the first input end (+) of described blower fan is connected to the first fan interface FAN1 of mainboard, and the second input (-) of described blower fan is connected to the second fan interface FAN2 of mainboard.
Wherein in an embodiment, also comprise first and sweep wind turbine, second and sweep wind turbine, the first temperature-sensitive bag RT1 and the second temperature-sensitive bag RT2, described first sweeps wind turbine and described second sweeps wind turbine and is connected to described display board respectively;
Described first temperature-sensitive bag RT1 and described second temperature-sensitive bag RT2 is connected to described display board respectively, and described first temperature-sensitive bag RT1 is used for the temperature of real-time sensing chamber environment, and described second temperature-sensitive bag RT2 is used for the Guan Wen detecting described indoor set in real time.
Wherein in an embodiment, also comprise power transformer TC, described power transformer TC is connected to described mainboard, for providing low-tension supply to described mainboard.
Wherein in an embodiment, the duration of described blower fan reversion is 5 ~ 10 minutes.
The beneficial effects of the utility model are:
Air-conditioner of the present utility model, be connected with mainboard by display board, off signal is sent to mainboard by display board, mainboard according to off signal control blower fan stop rotate forward after, then control blower fan reverse and control blower fan reverse duration, by the reversion of blower fan, reach the object blowing away dust stratification on condenser, achieve the automated cleaning of condenser, thus improve the heat transfer effect of condenser, improve the refrigeration of air-conditioning, heating effect, improve the reliability of compressor operating.
Accompanying drawing explanation
Fig. 1 is the line map of air-conditioner embodiment one of the present utility model;
Fig. 2 is the connection line figure of blower fan and AC power in the embodiment shown in Fig. 1;
Fig. 3 is the line map of air-conditioner embodiment two of the present utility model;
Fig. 4 is the control method flow chart of the air-conditioner of the utility model embodiment one;
Fig. 5 is the control method flow chart of the air-conditioner of the utility model embodiment two.
Detailed description of the invention
In order to make the technical solution of the utility model clearly, below in conjunction with accompanying drawing, air-conditioner of the present utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the utility model and to be not used in restriction the utility model.
See Fig. 1 to Fig. 3, air-conditioner one embodiment of the present utility model comprises indoor set and off-premises station.Wherein, off-premises station comprises blower fan 3 and mainboard 2, and blower fan 3 is connected to mainboard 2.Because blower fan 3 is mainly rotated by motor driven impeller, therefore, in the present embodiment, the motor of blower fan 3 is connected to mainboard 2, realizes the control to blower fan 3 by the motor controlling blower fan 3.Indoor set comprises display board 1, and display board 1 is connected by communication interface with mainboard 2.Display board 1 reception control signal of indoor set, and control signal is sent to mainboard 2 by connecting line.It should be understood that control signal comprises the signal etc. of starting-up signal, off signal and time-out refrigerating/heating.Mainboard 2 can drive blower fan 3 to reverse according to the off signal of display board 1, and controls the duration of blower fan 3 reversion.Preferably, the duration of blower fan reversion is 5 ~ 10 minutes.
When air-conditioner normally runs, when namely air-conditioner carries out freezing or heating, mainboard 2 controls blower fan 3 and rotates forward.When mainboard 2 receives off signal or suspend the signal of refrigerating/heating, it is out of service that mainboard 2 controls blower fan 3 even load, then controls blower fan 3 and reverse 5 ~ 10 minutes.After the duration that blower fan 3 reverses reaches 5 ~ 10 minutes, mainboard 2 controls blower fan 3 and stops reversion.
It should be understood that the off-premises station of above-mentioned air-conditioner also comprises compressor, condenser and throttling arrangement etc., indoor set also comprises evaporimeter etc.Compressor, condenser, throttling arrangement and evaporimeter are in turn connected to form refrigerating circuit, and cold-producing medium circulates in refrigerating circuit.When mainboard receives off signal or suspend the signal of refrigerating/heating, mainboard 2 controls compressor, blower fan even load is out of service.
Be connected with mainboard by display board, off signal is sent to mainboard by display board, after mainboard controls blower fan stopping rotating forward according to off signal, control blower fan again to reverse and the duration controlling blower fan reversion, by the reversion of blower fan, reach the object blowing away dust stratification on condenser, achieve the automated cleaning of condenser, thus improve the heat transfer effect of condenser, improve the refrigeration of air-conditioning, heating effect, improve the reliability of compressor operating.
Embodiment one
Blower fan 3 is three-phase blower fan, and namely the motor of blower fan is three phase electric machine.Air-conditioner also comprises the first relay and the second relay; The connect normally-closed contact K2 of the second relay of the coil KM1 of the first relay is connected to the first fan interface FAN1 of mainboard 2, and the connect normally-closed contact K1 of the first relay of the coil KM2 of the second relay is connected to the second fan interface FAN2 of mainboard 2.
In the present embodiment, first relay is for controlling the rotating forward of blower fan 3, and when the first fan interface FAN1 of mainboard 2 exports high level, the coil KM1 of the first relay powers on, the normally-closed contact K1 of the first relay disconnects, and the normally opened contact a1 ~ a3 of the first relay closes.Second relay is for controlling the reversion of blower fan 3, and when the second fan interface FAN2 of mainboard 2 exports high level, after the coil KM2 of the second relay powers on, the normally-closed contact K2 of the second relay disconnects, and the normally opened contact b1 ~ b3 of the second relay is closed.
First relay and the second relay form interlocking structure, and when making the coil KM1 of the first relay power on like this, the normally-closed contact K1 of the first relay disconnects, the coil KM2 power-off of the second relay.When the coil KM2 of the second relay powers on, the normally-closed contact K2 of the second relay disconnects, the coil KM1 power-off of the first relay.Namely ensure that the first relay and the second relay can not carry out work simultaneously, and then ensure that the normal operation of blower fan 3.
The first input end U of blower fan 3 connect the first relay the first normally opened contact a1 after be connected to the L1 phase of AC power, second input V of blower fan 3 connect the first relay the second normally opened contact a2 after be connected to the L2 phase of AC power, the 3rd input W of blower fan 3 connect the first relay the 3rd normally opened contact a3 after be connected to the L3 phase of AC power.
When the first fan interface FAN1 of mainboard 2 exports high level, the coil KM1 of the first relay powers on, and the normally-closed contact K1 of the first relay disconnects, and makes the coil KM2 power-off of the second relay.First normally opened contact a1, the second normally opened contact a2 of the first relay and the 3rd normally opened contact a3 close, and blower fan 3 is communicated with AC power, and blower fan 3 rotates forward.
The first input end U of blower fan 3 connect the second relay the first normally opened contact b1 after be connected to the L1 phase of AC power, second input V of blower fan 3 connect the second relay the second normally opened contact b2 after be connected to the L3 phase of AC power, blower fan 3 the 3rd input W connect the second relay the 3rd normally opened contact b3 after be connected to the L2 phase of AC power.
When the second fan interface FAN2 of mainboard 2 exports high level, the coil KM2 of the second relay powers on, the normally-closed contact K2 of the second relay disconnects, make the coil KM1 power-off of the first relay, first normally opened contact a1, the second normally opened contact a2 of the first relay and the 3rd normally opened contact a3 disconnect, and make blower fan 3 stop rotating forward.First normally opened contact b1, the second normally opened contact b2 of the second relay and the 3rd normally opened contact b3 close, and blower fan 3 is communicated with AC power.Because the input signal of the second input V of blower fan and the 3rd input W of blower fan exchanges, therefore blower fan 3 reverses.Mainboard 2 controls after blower fan 3 reverses 5 ~ 10 minutes, and mainboard 2 controls blower fan 3 and shuts down.
Embodiment two
Blower fan 3 is DC fan, and namely the motor of blower fan is direct current generator.The first input end (+) of blower fan 3 is connected to the first fan interface FAN1 of mainboard 2, and the second input (-) of blower fan is connected to the second fan interface FAN2 of mainboard 2.
When air-conditioner normally runs, and when air-conditioner carries out freezing or heating, mainboard 2 controls the first fan interface FAN1 and exports high level, and the second fan interface FAN2 output low level, makes blower fan 3 rotate forward.In the present embodiment, the first input end of blower fan 3 is the positive source (+) of blower fan, and the second input of blower fan 3 is the power cathode (-) of blower fan.
When the control signal that mainboard receives is off signal or time-out freezes or heats, mainboard 2 controls the power-off of blower fan 3 even load, and blower fan 3 shuts down.Then the first fan interface FAN1 output low level of mainboard 2, the second fan interface FAN2 of mainboard 2 exports high level, and make the first input end of blower fan 3 and the signal exchange of the second input, therefore blower fan 3 reverses.Mainboard 2 controls after blower fan 3 reverses 5 ~ 10 minutes, and mainboard 2 controls blower fan 3 and shuts down.
As a kind of embodiment, this air-conditioner also comprises first and sweeps wind turbine 4, second and sweep wind turbine 5, first temperature-sensitive bag RT1 and the second temperature-sensitive bag RT2, and first sweeps wind turbine 4 and second sweeps wind turbine 5 and be connected to display board 1 respectively.In the present embodiment, first sweeps wind turbine 4 for what control air-conditioner sweeps wind up and down, second sweeps wind turbine 5 sweeps wind for the left and right controlling air-conditioner, expand the wind sweeping area of air-conditioner like this, what decrease air-conditioner sweeps wind blind area, make indoor environment temperature more even, improve the refrigeration of air-conditioner, heating effect.
First temperature-sensitive bag RT1 and the second temperature-sensitive bag RT2 is connected to display board 1 respectively, and the first temperature-sensitive bag RT1 is used for the temperature of real-time sensing chamber environment, and the second temperature-sensitive bag RT2 is used for the Guan Wen detecting indoor set in real time.When the Guan Wen that the indoor environment temperature that the first temperature-sensitive bag RT1 detects exceedes the indoor set that the preset temperature of indoor environment and/or the second temperature-sensitive bag RT2 detect exceedes the default pipe temperature of indoor set, the control signal that mainboard 2 receives is for suspending refrigeration or heating.Like this, when holding chamber environment temperature constant, ensure that the reliability of indoor set, reduce energy resource consumption, energy-conserving and environment-protective.
In the present embodiment, the power supply of mainboard 2 is single phase alternating current power supply AC.Preferably, this air-conditioner also comprises power transformer TC, and power transformer TC is connected to mainboard 2, for providing low-tension supply to mainboard 2.This low-tension supply can be 5-36V, such as 12V, 24V, 36V etc.
As shown in Figure 4, the control method of the air-conditioner of the utility model embodiment one comprises the steps:
The reference time of S1, default blower fan reversion; Preferably, the reference time of blower fan reversion is 5 ~ 10 minutes, can ensure that the dust that condenser adheres to is blown away like this, ensures the heat transfer effect of condenser.
S2, mainboard 2 are according to after the off signal receiving display board 1, and mainboard 2 controls the coil KM1 power-off of the first relay, and the coil KM2 of the second relay powers on, and blower fan 3 reverses, and the timer on mainboard starts timing.
In the present embodiment, step S2 specifically comprises the steps:
First fan interface FAN1 output low level of mainboard 2, the second fan interface FAN2 of mainboard 2 exports high level, and timer starts timing.
When mainboard 2 receives off signal, the first fan interface FAN1 output low level of mainboard 2, makes mainboard 2 control the coil KM1 power-off of the first relay.Now, the normally opened contact K1 of the first relay disconnects, and blower fan and AC power are disconnected, and blower fan 3 stops rotating forward.Meanwhile, the second fan interface FAN2 of mainboard 2 exports high level, and the coil KM2 that mainboard 2 controls the second relay powers on.The length of the second relay is opened contact b1 ~ b3 and is closed, and blower fan 3 is communicated with AC power, and blower fan 3 reverses.Timer starts timing.By controlling the reversion of blower fan 3, reaching the object blowing away dust stratification on condenser, realizing the automated cleaning of condenser.
S3, mainboard 2 judge whether the duration that blower fan 3 reverses reaches the default reference time, and if so, then mainboard 2 controls blower fan 3 stopping reversion; If not, then mainboard 2 controls blower fan 3 continuation reversion until reach the default reference time.
As shown in Figure 5, the control method of the air-conditioner of the utility model embodiment two comprises the steps:
The reference time of S1, default blower fan reversion; Preferably, the reference time of blower fan reversion is 5 ~ 10 minutes, can ensure that the dust that condenser adheres to is blown away like this, ensures the heat transfer effect of condenser.
After S2, mainboard 2 receive the off signal of display board 1, the first fan interface FAN1 output low level of mainboard 2, the second fan interface FAN2 of mainboard 2 exports high level, and blower fan 3 reverses, and the timer on mainboard starts timing.Due to, when blower fan 3 rotates forward, the first fan interface FAN1 of mainboard 2 exports high level, the second fan interface FAN2 output low level of mainboard 2.Therefore, make the signal of the first input end of blower fan and the signal exchange of the second input like this, realize the reversion of blower fan 3.
S3, mainboard 2 judge whether the duration that described blower fan 3 reverses exceedes the default reference time, and if so, then mainboard 2 controls described blower fan 3 stopping reversion; If not, then mainboard 2 controls blower fan 3 continuation reversion until reach the default reference time.
Air-conditioner of the present utility model, be connected with mainboard by display board, off signal is sent to mainboard by display board, mainboard according to off signal control blower fan stop rotate forward after, then control blower fan reverse and control blower fan reverse duration, by the reversion of blower fan, reach the object blowing away dust stratification on condenser, achieve the automated cleaning of condenser, thus improve the heat transfer effect of condenser, improve the refrigeration of air-conditioning, heating effect, improve the reliability of compressor operating.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (6)
1. an air-conditioner, comprises indoor set and off-premises station, it is characterized in that:
Described off-premises station comprises blower fan (3) and mainboard (2), and described blower fan (3) is electrically connected to described mainboard (2); Described indoor set comprises display board (1), described display board (1) is connected with described mainboard (2) communication, described display board (1) is for being sent to described mainboard (2) by control signal, described mainboard (2) can drive described blower fan to reverse according to the off signal of described display board and control the duration of described blower fan reversion.
2. air-conditioner according to claim 1, is characterized in that:
Described blower fan (3) is three-phase blower fan, and described air-conditioner also comprises the first relay and the second relay;
The normally-closed contact K2 of described second relay of coil KM1 series connection of described first relay is connected to the first fan interface FAN1 of described mainboard, and the normally-closed contact K1 of described first relay of coil KM2 series connection of described second relay is connected to the second fan interface FAN2 of described mainboard;
The L1 phase of AC power is connected to after first normally opened contact a1 of described first relay of first input end U series connection of described blower fan (3), be connected to the L2 phase of described AC power after second normally opened contact a2 of described first relay of the second input V series connection of described blower fan, after the 3rd normally opened contact a3 of described first relay of the 3rd input W series connection of described blower fan, be connected to the L3 phase of AC power;
The L1 phase of AC power is connected to after first normally opened contact b1 of described second relay of first input end U series connection of described blower fan (3), be connected to the L3 phase of described AC power after second normally opened contact b2 of described second relay of the second input V series connection of described blower fan, after the 3rd normally opened contact b3 of described second relay of described blower fan the 3rd input W series connection, be connected to the L2 phase of AC power.
3. air-conditioner according to claim 1, is characterized in that:
Described blower fan is DC fan, and the first input end (+) of described blower fan is connected to the first fan interface FAN1 of mainboard, and the second input (-) of described blower fan is connected to the second fan interface FAN2 of mainboard.
4. the air-conditioner according to any one of claim 1-3, is characterized in that:
Also comprise first to sweep wind turbine (4), second and sweep wind turbine (5), the first temperature-sensitive bag RT1 and the second temperature-sensitive bag RT2, described first sweeps wind turbine (4) and described second sweeps wind turbine (5) and is connected to described display board (1) respectively;
Described first temperature-sensitive bag RT1 and described second temperature-sensitive bag RT2 is connected to described display board (1) respectively, described first temperature-sensitive bag RT1 is used for the temperature of real-time sensing chamber environment, and described second temperature-sensitive bag RT2 is used for the Guan Wen detecting described indoor set in real time.
5. air-conditioner according to claim 4, is characterized in that:
Also comprise power transformer TC, described power transformer TC is connected to described mainboard (2), for providing low-tension supply to described mainboard (2).
6. air-conditioner according to claim 1, is characterized in that:
The duration of described blower fan reversion is 5 ~ 10 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614737.8U CN204187779U (en) | 2014-10-22 | 2014-10-22 | Air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614737.8U CN204187779U (en) | 2014-10-22 | 2014-10-22 | Air-conditioner |
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| CN204187779U true CN204187779U (en) | 2015-03-04 |
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| CN201420614737.8U Active CN204187779U (en) | 2014-10-22 | 2014-10-22 | Air-conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374044A (en) * | 2014-10-22 | 2015-02-25 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN106765876A (en) * | 2016-11-24 | 2017-05-31 | 广东美的制冷设备有限公司 | Automated cleaning air-conditioner outdoor unit control method and device, air-conditioner |
| CN109915939A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner and its automatically cleaning control method |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2014
- 2014-10-22 CN CN201420614737.8U patent/CN204187779U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104374044A (en) * | 2014-10-22 | 2015-02-25 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN106765876A (en) * | 2016-11-24 | 2017-05-31 | 广东美的制冷设备有限公司 | Automated cleaning air-conditioner outdoor unit control method and device, air-conditioner |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| CN109915939A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner and its automatically cleaning control method |
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