CN204006405U - Air-conditioner outdoor unit and air-conditioning system - Google Patents
Air-conditioner outdoor unit and air-conditioning system Download PDFInfo
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- CN204006405U CN204006405U CN201420141185.3U CN201420141185U CN204006405U CN 204006405 U CN204006405 U CN 204006405U CN 201420141185 U CN201420141185 U CN 201420141185U CN 204006405 U CN204006405 U CN 204006405U
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- air
- distance measurement
- outdoor unit
- measurement device
- conditioner outdoor
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 67
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010257 thawing Methods 0.000 abstract description 5
- 238000010977 unit operation Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Air Conditioning Control Device (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a kind of air-conditioner outdoor unit, comprise: outdoor heat exchanger, infrared distance measurement device and controller, wherein, infrared distance measurement device is for obtaining the relative distance between infrared distance measurement device and outdoor heat exchanger, controller is electrically connected with infrared distance measurement device, when controller is less than predeterminable range for the relative distance getting when infrared range unit, controls air-conditioner outdoor unit and switch to defrost mode of operation.The utility model further discloses a kind of air-conditioning system.The air-conditioner outdoor unit the utility model proposes, defrost is more reliable, and the degree of accuracy is higher.Meanwhile, judge whether to finish defrost pattern according to the thickness of frosting, can make the defrosting of outdoor heat exchanger surface more thorough.In addition, this air-conditioner outdoor unit is simple in structure, easily realization.
Description
Technical field
The utility model relates to home appliance structure technical field, relates in particular to a kind of air-conditioner outdoor unit and air-conditioning system.
Background technology
Air-conditioner is a kind of common household electrical appliance.When air-conditioner is in the time moving heating mode winter, because of refrigerant evaporation endothermic in outdoor heat exchanger, thus the surface temperature of reduction outdoor heat exchanger.As air-conditioner continuous service heating mode in the situation that outdoor temperature is extremely low, a large amount of frost of the surface condensation of outdoor heat exchanger, thus affect the normal work of air-conditioner.
For solving outdoor heat exchanger frosting problem, existing air-conditioner is set temperature sensor on outdoor heat exchanger normally, and the temperature recording when temperature sensor during lower than design temperature, is controlled air-conditioner operation defrost pattern.But, make defrost in this way have following problem: in dry and cold state, when the high while of outdoor air humidity, outside air temperature was low, the temperature that temperature sensor records is lower when outdoor, air-conditioner operation defrost pattern, but in fact outdoor heat exchanger surface there is no frosting.When outdoor air humidity is when the low while, outside air temperature was high, the temperature that temperature sensor measurement obtains is higher, and therefore air-conditioner does not move defrost pattern, but now frosting of outdoor heat exchanger surface of reality (because of outdoor air humidity when low frosting probability large).Therefore, existing air-conditioner cannot carry out effective defrost.
Foregoing is only understood the technical solution of the utility model for auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
Main purpose of the present utility model is to provide a kind of air-conditioner outdoor unit and air-conditioning system, is intended to improve the degree of accuracy of outdoor heat exchanger defrost.
For achieving the above object, the utility model provides a kind of air-conditioner outdoor unit, comprise: outdoor heat exchanger, infrared distance measurement device and controller, wherein, described infrared distance measurement device is for obtaining the relative distance between described infrared distance measurement device and described outdoor heat exchanger, described controller is electrically connected with described infrared distance measurement device, when described controller is less than predeterminable range for the relative distance getting when described infrared distance measurement device, controls air-conditioner and switches to defrost mode of operation.
Preferably, described infrared distance measurement device is installed on the electric machine support of described air-conditioner outdoor unit.
Preferably, described infrared distance measurement device is provided with multiple, and multiple described infrared distance measurement devices are all electrically connected with described controller.
Preferably, described infrared distance measurement device comprises infrared dispensing device for sending infrared signal, for receiving infrared receiving device, arithmetic unit and the transmitter of infrared signal, wherein, described arithmetic unit is for processing to obtain described relative distance by the infrared signal of the infrared signal of described infrared dispensing device transmission and the reception of described infrared receiving device, and described transmitter sends to described controller for the relative distance that described arithmetic unit is got.
Preferably, described air-conditioner outdoor unit also comprises the suggestion device for pointing out user when the described infrared distance measurement device operation irregularity, and this suggestion device is electrically connected with described controller.
Preferably, described air-conditioner outdoor unit also comprises the temperature measuring equipment for measuring outside air temperature, this temperature measuring equipment is electrically connected with described controller, when the outside air temperature getting when described temperature measuring equipment is greater than preset temperature, infrared distance measurement device quits work described in described controller control.
Preferably, described air-conditioner outdoor unit also comprises the heater for described outdoor heat exchanger being carried out to defrost, and this heater is contained in the housing of described air-conditioner outdoor unit and is electrically connected with described controller.
The utility model further proposes a kind of air-conditioning system, comprise air-conditioner outdoor unit, this air-conditioner outdoor unit comprises: outdoor heat exchanger, infrared distance measurement device and controller, wherein, described infrared distance measurement device is for obtaining the relative distance between described infrared distance measurement device and described outdoor heat exchanger, described controller is electrically connected with described infrared distance measurement device, when described controller is less than predeterminable range for the relative distance getting when described infrared distance measurement device, controls air-conditioner and switch to defrost mode of operation.
The air-conditioner outdoor unit the utility model proposes, obtain the relative distance between infrared distance measurement device and outdoor heat exchanger by infrared distance measurement device, thereby reach the thickness that indirectly obtains frosting on outdoor heat exchanger, again according to the THICKNESS CONTROL air-conditioner outdoor unit operation defrost of frosting, this defrost mode is more reliable, and the degree of accuracy is higher.Meanwhile, judge whether to finish defrost pattern according to the thickness of frosting, more thorough to the defrosting of outdoor heat exchanger surface.In addition, this air-conditioner outdoor unit is simple in structure, easily realization.
Brief description of the drawings
Fig. 1 is the theory diagram of the utility model air-conditioner outdoor unit preferred embodiment.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model proposes a kind of air-conditioner outdoor unit.
With reference to Fig. 1, Fig. 1 is the theory diagram of the utility model air-conditioner outdoor unit preferred embodiment.
In this preferred embodiment, air-conditioner outdoor unit comprises: outdoor heat exchanger (not shown), infrared distance measurement device 10 and controller 20, wherein, infrared distance measurement device 10 is for obtaining the relative distance between infrared distance measurement device 10 and outdoor heat exchanger, controller 20 is electrically connected with infrared distance measurement device 10, when controller 20 is less than predeterminable range for the relative distance getting when infrared range unit 10, controls air-conditioner outdoor unit and switch to defrost mode of operation.
Particularly, in the present embodiment, infrared distance measurement device 10 is installed in the electric machine support (not shown) of air-conditioner outdoor unit.Certainly, infrared distance measurement device 10 also can be installed on other part of air-conditioner outdoor unit, and the utility model is not construed as limiting this.
This air-conditioner outdoor unit operation principle is as follows: in the time that the heat exchanger surface of air-conditioner outdoor unit is frostless, infrared distance measurement device 10 obtains the relative distance on itself and outdoor heat exchanger surface, now be made as L1, controller 20 these data of storage L1, then, set a predeterminable range L2=L1+L3, the critical thickness of outdoor heat exchanger surface frost when L3 needs defrost.When air-conditioner outdoor unit is in the time moving winter, infrared distance measurement device 10 in real time or the relative distance L4 of timing acquisition infrared distance measurement device 10 and outdoor heat exchanger, controller 20 is compared L4 and predeterminable range L2, in the time that relative distance is L4 >=L2, controller 20 is controlled air-conditioner outdoor unit operation defrost pattern, after operation a period of time, again measure relative distance, in the time that infrared range unit 10 gets infrared distance measurement device 10 and is less than L2 with the relative distance of outdoor heat exchanger, controller 20 is controlled air-conditioner outdoor unit operation heating mode.
The air-conditioner outdoor unit that the present embodiment proposes, obtain the relative distance between infrared distance measurement device 10 and outdoor heat exchanger by infrared distance measurement device 10, thereby reach the thickness that indirectly obtains frosting on outdoor heat exchanger, again according to the THICKNESS CONTROL air-conditioner outdoor unit operation defrost of frosting, this defrost mode is more reliable, and the degree of accuracy is higher.Meanwhile, judge whether to finish defrost pattern according to the thickness of frosting, more thorough to the defrosting of outdoor heat exchanger surface.In addition, this air-conditioner outdoor unit is simple in structure, easily realization.
Further, infrared distance measurement device 10 is provided with multiple, and multiple infrared distance measurement devices 10 are all electrically connected with controller 20.
In the present embodiment, multiple infrared distance measurement devices 10 are set and aim at respectively the surface of outdoor heat exchanger diverse location, therefore, this air-conditioner outdoor unit can be from the multiple relative distance of multiple position measurements, controller 20 is averaged multiple relative distance again, thereby can obtain an average thickness, thereby make the control procedure of this air-conditioner outdoor unit defrost more accurate.
Further, infrared distance measurement device 10 comprises infrared dispensing device 11 for sending infrared signal, for receiving infrared receiving device 12, arithmetic unit 13 and the transmitter 14 of infrared signal, wherein, the infrared signal that arithmetic unit 13 receives for infrared signal that infrared dispensing device 11 is sent and infrared receiving device 12 processes to obtain relative distance, and transmitter 14 sends to controller 20 for the relative distance that arithmetic unit is got.
Particularly, the operation principle of infrared distance measurement device 10: infrared dispensing device 11 is according to certain angle transmitting infrared signal, in the time that infrared signal runs into outdoor heat exchanger surface, infrared signal can reflect, infrared receiving device 12 receives the infrared signal reflecting, according to the infrared signal sending and the time interval of infrared signal and the spread speed of infrared signal of reception, calculate the relative distance between infrared distance measurement device 10 and outdoor heat exchanger again.
Further, this air-conditioner outdoor unit also comprises the suggestion device 30 for pointing out user when infrared distance measurement device 10 operation irregularity, and this suggestion device 30 is electrically connected with controller 20.
In the time that controller 20 does not receive the relative distance information that infrared distance measurement device 10 sends, infrared distance measurement device 10 operation irregularities are described, now, controller 20 is controlled suggestion device 30 and is pointed out user current infrared distance measurement device 10 operation irregularities.Particularly, suggestion device 30 can pass through current infrared distance measurement device 10 operation irregularities of various ways prompting user such as sound, word.
The air-conditioner outdoor unit that the present embodiment proposes, suggestion device 30 is pointed out user in the time of infrared distance measurement device 10 operation irregularity, thus while making infrared distance measurement device 10 operation irregularity, user can keep in repair infrared distance measurement device 10 in time, and then be user-friendly to.
Further, this air-conditioner outdoor unit also comprises the temperature measuring equipment 40 for measuring outside air temperature, this temperature measuring equipment 40 is electrically connected with controller 20, when the outside air temperature getting when temperature measuring equipment 40 is greater than preset temperature, controller 20 is controlled infrared distance measurement device 10 and is quit work.
Because of in the time that room temperature is higher, on the outdoor heat exchanger of air-conditioner outdoor unit, the probability of frosting is lower, now, controller 20 is controlled infrared distance measurement device 10 and is quit work, because reducing the service life that is conducive to extend infrared distance measurement device 10 service time of infrared distance measurement device 10, also can reduce on the other hand the power consumption of this air-conditioner outdoor unit on the one hand.
Further, this air-conditioner outdoor unit also comprises the heater 50 for outdoor heat exchanger being carried out to defrost, and this heater 50 is contained in the housing of air-conditioner outdoor unit and is electrically connected with controller 20.Heater 50 can be heating tape etc., and the utility model is not construed as limiting this.
Particularly, in the time of the thinner thickness of outdoor heat exchanger surface frosting, can heat outdoor heat exchanger by heater, now air-conditioner outdoor unit need not be switched to refrigeration mode and also can reach the effect of defrost, therefore, can reduce the impact on indoor heating effect on air conditioner outdoor machine defrosting process.
The utility model further also proposes a kind of air-conditioning system.
In the present embodiment, air-conditioning system comprises air-conditioner outdoor unit, and the concrete structure of this air-conditioner outdoor unit, with reference to above-described embodiment, does not repeat them here.
The air-conditioning system that the present embodiment proposes, obtain the relative distance between infrared distance measurement device and outdoor heat exchanger by infrared distance measurement device, thereby reach the thickness that indirectly obtains frosting on outdoor heat exchanger, again according to the THICKNESS CONTROL air-conditioner outdoor unit operation defrost of frosting, this defrost mode is more reliable, and the degree of accuracy is higher.Meanwhile, judge whether to finish defrost pattern according to the thickness of frosting, more thorough to the defrosting of outdoor heat exchanger surface.In addition, this air-conditioning system is simple in structure, easily realization.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. an air-conditioner outdoor unit, it is characterized in that, comprise: outdoor heat exchanger, infrared distance measurement device and controller, wherein, described infrared distance measurement device is for obtaining the relative distance between described infrared distance measurement device and described outdoor heat exchanger, described controller is electrically connected with described infrared distance measurement device, when described controller is less than predeterminable range for the relative distance getting when described infrared distance measurement device, controls air-conditioner outdoor unit and switches to defrost mode of operation.
2. air-conditioner outdoor unit as claimed in claim 1, is characterized in that, described infrared distance measurement device is installed on the electric machine support of described air-conditioner outdoor unit.
3. air-conditioner outdoor unit as claimed in claim 1, is characterized in that, described infrared distance measurement device is provided with multiple, and multiple described infrared distance measurement devices are all electrically connected with described controller.
4. air-conditioner outdoor unit as claimed in claim 3, it is characterized in that, described infrared distance measurement device comprises infrared dispensing device for sending infrared signal, for receiving infrared receiving device, arithmetic unit and the transmitter of infrared signal, wherein, described arithmetic unit is for processing to obtain described relative distance by the infrared signal of the infrared signal of described infrared dispensing device transmission and the reception of described infrared receiving device, and described transmitter sends to described controller for the relative distance that described arithmetic unit is got.
5. air-conditioner outdoor unit as claimed in claim 1, is characterized in that, also comprises the suggestion device for pointing out user when the described infrared distance measurement device operation irregularity, and this suggestion device is electrically connected with described controller.
6. the air-conditioner outdoor unit as described in any one in claim 1 to 5, it is characterized in that, also comprise the temperature measuring equipment for measuring outside air temperature, this temperature measuring equipment is electrically connected with described controller, when the outside air temperature getting when described temperature measuring equipment is greater than preset temperature, infrared distance measurement device quits work described in described controller control.
7. the air-conditioner outdoor unit as described in any one in claim 1 to 5, is characterized in that, also comprises the heater for described outdoor heat exchanger being carried out to defrost, and this heater is contained in the housing of described air-conditioner outdoor unit and is electrically connected with described controller.
8. an air-conditioning system, is characterized in that, comprises air-conditioner outdoor unit as claimed in any of claims 1 to 7 in one of claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420141185.3U CN204006405U (en) | 2014-03-26 | 2014-03-26 | Air-conditioner outdoor unit and air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420141185.3U CN204006405U (en) | 2014-03-26 | 2014-03-26 | Air-conditioner outdoor unit and air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204006405U true CN204006405U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420141185.3U Expired - Lifetime CN204006405U (en) | 2014-03-26 | 2014-03-26 | Air-conditioner outdoor unit and air-conditioning system |
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| Country | Link |
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| CN (1) | CN204006405U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422396A (en) * | 2017-07-25 | 2017-12-01 | 广东美的暖通设备有限公司 | Foreign matter detection system, foreign matter detecting method and heating and ventilating equipment |
| CN107643016A (en) * | 2017-10-10 | 2018-01-30 | 广东美的制冷设备有限公司 | The self cleaning method and air conditioner of heat exchanger of air conditioner |
| CN108240696A (en) * | 2018-03-15 | 2018-07-03 | 重庆物奇科技有限公司 | A kind of air-conditioner defrosting deicing system and method |
| CN109520072A (en) * | 2018-12-27 | 2019-03-26 | 重庆大学 | A kind of air source heat pump frosting dynamic monitoring method and system |
| CN111397100A (en) * | 2020-04-16 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Air conditioning system and control method thereof |
| CN111981734A (en) * | 2020-08-24 | 2020-11-24 | 广东Tcl智能暖通设备有限公司 | Defrosting control method, system and computer readable storage medium |
| CN113432259A (en) * | 2021-06-23 | 2021-09-24 | Tcl空调器(中山)有限公司 | Air conditioner and defrosting method and device thereof |
| WO2023173788A1 (en) * | 2022-03-15 | 2023-09-21 | 青岛海尔空调器有限总公司 | Air conditioner and defrosting control method thereof |
-
2014
- 2014-03-26 CN CN201420141185.3U patent/CN204006405U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422396A (en) * | 2017-07-25 | 2017-12-01 | 广东美的暖通设备有限公司 | Foreign matter detection system, foreign matter detecting method and heating and ventilating equipment |
| CN107643016A (en) * | 2017-10-10 | 2018-01-30 | 广东美的制冷设备有限公司 | The self cleaning method and air conditioner of heat exchanger of air conditioner |
| CN108240696A (en) * | 2018-03-15 | 2018-07-03 | 重庆物奇科技有限公司 | A kind of air-conditioner defrosting deicing system and method |
| CN109520072A (en) * | 2018-12-27 | 2019-03-26 | 重庆大学 | A kind of air source heat pump frosting dynamic monitoring method and system |
| CN111397100A (en) * | 2020-04-16 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Air conditioning system and control method thereof |
| CN111981734A (en) * | 2020-08-24 | 2020-11-24 | 广东Tcl智能暖通设备有限公司 | Defrosting control method, system and computer readable storage medium |
| CN113432259A (en) * | 2021-06-23 | 2021-09-24 | Tcl空调器(中山)有限公司 | Air conditioner and defrosting method and device thereof |
| CN113432259B (en) * | 2021-06-23 | 2022-09-02 | Tcl空调器(中山)有限公司 | Air conditioner and defrosting method and device thereof |
| WO2023173788A1 (en) * | 2022-03-15 | 2023-09-21 | 青岛海尔空调器有限总公司 | Air conditioner and defrosting control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |
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| CX01 | Expiry of patent term |