CN202171375U - Anti-frozen structure of bottom plate and air conditioner - Google Patents
Anti-frozen structure of bottom plate and air conditioner Download PDFInfo
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- CN202171375U CN202171375U CN2011202716164U CN201120271616U CN202171375U CN 202171375 U CN202171375 U CN 202171375U CN 2011202716164 U CN2011202716164 U CN 2011202716164U CN 201120271616 U CN201120271616 U CN 201120271616U CN 202171375 U CN202171375 U CN 202171375U
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Abstract
The utility model discloses an anti-frozen structure of a bottom plate, which comprises the bottom plate, a heating plate and a controller, wherein the heating plate is fixed on the bottom plate and contacts with the same to generate heat which can be transmitted to the bottom plate, and the controller is connected with the heating plate and controls on or off of a power supply of the heating plate. The utility model further discloses an air conditioner utilizing the anti-frozen structure of the bottom plate. The heating plate substituting for an electric heating belt is fixed on the bottom plate, so that the problem of contact between the electric heating belt and the bottom plate in the prior art is solved, heating effect is improved greatly and energy is saved.
Description
Technical field
The utility model relates to the air-conditioner technical field, specially refers to anti-freeze structure in a kind of chassis and air-conditioner.
Background technology
Along with popularizing and popularization of air-conditioning product, especially convertible frequency air-conditioner more and more receives liking of numerous clients with advantages such as its wideband energy-saving runs and pursues, and the environment that its requirement is used is also more and more broader, harsh.But some regional ultra-low temperature surroundings are the use of air-conditioner brings very big obstacle; Although transducer air conditioning can overcome cold-starting and the not enough problem of heating capacity with its good cold-starting characteristic and high-frequency operation characteristic, the discharging of off-premises station defrost condensed water is difficult to solve.Under ultralow temperature (below 10 ℃) environment, on the outdoor heat exchanger after the frosting, air-conditioner need carry out the defrost action during heating operation, and the frosting on the heat exchanger is melted into current on the chassis, because the chassis temperature is low, these water can freeze again very soon.Repeated multiple times like this; Can the be frozen complete shutoff and can't draining of chassis osculum; Knot is thick more more bottom chassis and heat exchanger for ice, highly constantly increases, and causes the heat exchanger bottom to be blocked by ice and causes its heating effect extreme difference; More serious is, and freezing level reaches also can let the fan blade of high-speed cruising damage to collapse in the fan blade range of operation to fly, thereby causes bigger harm.
The utility model content
The main purpose of the utility model is intended to improve the heating effect on chassis for providing a kind of chassis anti-freeze structure.
The utility model proposes the anti-freeze structure in a kind of chassis; The controller that comprises the chassis, is fixed on the heating board on the chassis and is electrically connected and controls the conducting of heating board power supply or end with said heating board, said heating board contact with the chassis heat that produces are passed to the chassis.
Preferably, said heating board is a carbon trichite hot plate, comprises the heat conductive insulating layer, carbon trichite thermosphere, aluminize reflective coating and the insulating that set gradually, and wherein said carbon trichite thermosphere is electrically connected with said controller; Said heat conductive insulating layer contacts the heat that carbon trichite thermosphere is produced and is passed to the chassis with said chassis.
Preferably, said controller is to be connected between said heating board and the heating board power supply and the temperature controller of controlling the conducting of said heating board power supply or ending.
The temperature protector of control heating board heating-up temperature preferably, is set on the said heating board.
Preferably, said controller is a control circuit board, and said control circuit board comprises processor, phase inverter and relay; The control end of said relay is a coil; Controlled terminal is a switch, and said phase inverter is connected with a port of processor, and the other end of said phase inverter connects the coil of said relay; The other end of said coil connects the working power of relay, and the switch of said relay connects said heating board and controls the break-make of the operating circuit of heating board.
The utility model also provides a kind of air-conditioner; The controller that comprises the chassis, is fixed on the heating board on the chassis and is connected and controls the conducting of heating board power supply or end with said heating board, said heating board contact with the chassis heat that produces are passed to the chassis.
Preferably; Said heating board is a carbon trichite hot plate; Comprise the heat conductive insulating layer, carbon trichite thermosphere, aluminize reflective coating and the insulating that set gradually; Wherein said carbon trichite thermosphere is electrically connected with said controller, and said heat conductive insulating layer contacts the heat that carbon trichite thermosphere is produced and is passed to the chassis with said chassis.
Preferably, said controller is to be connected between said heating board and the heating board power supply and the temperature controller of controlling the conducting of said heating board power supply or ending; The temperature protector of control heating board heating-up temperature is set on the said heating board.
Preferably, said controller is the control circuit board that is provided with on the air-conditioner outdoor unit, and said control circuit board comprises processor, phase inverter and relay; The control end of said relay is a coil; Controlled terminal is a switch, and said phase inverter is connected with a port of processor, and the other end of said phase inverter connects the coil of said relay; The other end of said coil connects the working power of relay, and the switch of said relay connects said heating board and controls the break-make of the operating circuit of heating board.
Preferably, heat exchanger also is set on the said chassis, and said heating board is fixed on the said chassis along heat exchanger.
The utility model has not only increased the contact area on heating board and chassis through heating board is fixed on the chassis, makes heats that the raising of several times arranged, and makes heating board only can be fixed on the chassis through several screws, installs simple and convenient.Simultaneously, the utility model is through being provided with temperature protector on heating board, thereby avoided the energy loss that the most of the time need not to heat, and greatly reduces the use cost under the ultra-low temperature surroundings, reaches desirable energy-saving effect.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment of the anti-freeze structure in the utility model chassis;
Fig. 2 is the electrical block diagram of anti-freeze structure middle controller one embodiment in the utility model chassis;
Fig. 3 is the structural representation of heating board one embodiment in the anti-freeze structure in the utility model chassis;
Fig. 4 is the contour structures sketch map of another embodiment of heating board in the anti-freeze structure in the utility model chassis.
The realization of the utility model purpose, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to Fig. 1, Fig. 1 is the structural representation of anti-freeze structure one embodiment in the utility model chassis.The anti-freeze structure in this chassis is mainly used on the air-conditioner outdoor unit, can also be applied on the other machines certainly.
The anti-freeze structure in this chassis comprises a chassis 101, is fixed on a heating board 201 and a controller (not shown) on the chassis 101.Chassis 101 is the chassis of air-conditioner outdoor unit, and the surface texture on the surface texture of heating board 201 and chassis 101 is adaptive, makes contacting that heating board 201 and chassis 101 can maximum areas.For example, in an example, the surface on chassis 101 is one plane, and then the surface of heating board 201 also is plane, and its area can be the same with the area on chassis 101 or less.In another example; Chassis 101 is a roughness, then heating board 201 also can for the roughly the same roughness of chassis 101 structures, this heating board 201 also can be for a plurality of certainly; Be arranged on the projection on chassis 101, a plurality of heating boards 201 interconnect.Controller is electrically connected with heating board 201, is used to control heating board 201 power supply conductings and perhaps ends, and when heating board 201 power supply conductings, heating board 201 is begun to heat, and produces certain heat; When heating board 201 power supplies end, heating board 201 is stopped to heat.The heat that heating board 201 produces can be passed to chassis 101, thereby has reached the purpose that prevents that chassis 101 from freezing.And, around this heating board 201 protective frame 202 is set, on this protective frame 202 a plurality of screws 2021 can be set, only can heating board 201 be fixed on the chassis 101 through hold-down screw, it is convenient to install simply again.Heating board 201 connects the air-conditioner outdoor unit power supply through power line 203, in order to prevent to drag power line 203, can also power line 203 be fixed on the chassis 101 with solidus device 204 during installation.
The utility model has not only increased heating board and chassis contact area through heating board is fixed on the chassis, makes heats that the raising of several times arranged, and makes heating board only can be fixed on the chassis through several screws, installs simple and convenient.
Above-mentioned controller can be the temperature controller that is connected between said heating board 201 and heating board 201 power supplies and controls said heating board 201 power supply conductings or end.This temperature controller is provided with a preset temperature in advance, and for example 0 ℃, when the detected environment temperature of temperature controller was less than or equal to 0 ℃, temperature controller was closed, and then heating board 201 power supply conductings begin heating board 201 heating; When environment temperature is higher than 0 ℃, the temperature controller automatic disconnection, then heating board 201 power supplies cut off, and stop heating board 201 heating.
Because when the holding state of off-premises station, though not work of air-conditioner, as long as environment temperature is lower than preset temperature, then heating board 201 heating of will always switching on, so caused energy waste.So the temperature protector 205 of a control heating board 201 heating-up temperatures can also further be set on heating board 201, as shown in Figure 2.This temperature protector 205 is provided with an operating temperature and reset temperature in advance, and this operating temperature and reset temperature can be same value, also can set different values.When the temperature on heating board 201 surfaces surpasses protection temperature (for example 85 ℃), 205 auto power offs of temperature protector; When the temperature on heating board 201 surfaces was cooled to reset temperature, 205 of temperature protectors recovered conducting, thereby the problem of having avoided heating board 201 to switch on always and heat has been saved the energy.
Above-mentioned controller also can utilize on the air-conditioner outdoor unit existing control circuit board to realize.For example, on frequency-change air conditioner outdoor machine, be provided with control circuit board usually, this control circuit board is in order to each parts of control off-premises station, and present embodiment increases corresponding heating control circuit on existing control circuit board can realize the control to heating board 201.As shown in Figure 2, this heating control circuit comprises processor 401, phase inverter 402 and relay 403, and processor 401 (being the CPU among Fig. 2) can use the processor in the control circuit board on the former air-conditioner outdoor unit; Phase inverter 402 is connected with a port of processor 401, and the other end of phase inverter 402 connects the coil in the relay 403, and the other end of this coil connects the working power of 12V; In the present embodiment; Coil is as the control end of relay 403, and the switch in the relay 403 is then as controlled terminal, and this switch is a normally open; One end of switch connects heating board 201; The other end connects the protective tube 404 with overcurrent protection, and the zero line N of another termination power of heating board 201 (Naught Wire), protective tube 404 meet the live wire L (Live Wire) of power supply.When phase inverter 402 output low levels (for example 0V) were given the coil of relay 403, the switch closure of relay 403 controlled terminals was connected heating board 201 and is made heating board 201 operate as normal; When phase inverter 402 output high level (for example 12V) are given the coil of relay 403, the switch of relay 403 will be kept open mode, and heating board 201 is not worked.Concrete control procedure is following:
Controller is judged whether needs defrost of air-conditioner according to the running status of air-conditioner, if need defrost then to carry out the defrost action, promptly closes outer blower fan and cross valve, switches refrigerant and flows to, the operation of compressor high frequency, the frosting of outdoor heat exchanger heating thawing heat exchanger surface.When getting into defrost, controller also need be judged outdoor environment temperature (temperature sensor of frequency-change air conditioner outdoor machine can detect outdoor environment temperature in real time).If environment temperature is lower than preset value (for example 0 ℃); The port that processor 401 is connected with phase inverter 402 will be exported high level, drive the switch adhesive of control relay 403 through phase inverter 402 anti-phases; Make heating board 201 power supply conductings; Thereby heating board 201 begins heating, and the heat of generation is delivered to chassis 101, reaches the purpose that prevents that chassis 101 from freezing.If environment temperature is higher than preset value (for example 0 ℃), then the phenomenon of freezing does not appear in current environment, so the port that processor 401 is connected with phase inverter 402 is not exported high level, heating board 201 not conductings.Above-mentioned control method makes air-conditioner only when the operation defrost has condensed water to produce and possibly freeze, just start heating and prevents to freeze, so can avoid occurring the problem that heating board 201 heats always.After defrost finishes; When air-conditioner need recover normally to heat, controller add thermal control mouth (port that processor 401 is connected with phase inverter 402) with output low level, drive through phase inverter 402 anti-phases; The switch of control relay 403 breaks off, and heating board 201 outages stop heating.
In the above-mentioned control circuit, for deicing clean, but also proper extension heat time heating time, can be after the defrosting release time-delay a period of time stop heating again, concrete delay time is set according to heating board 201 power and chassis 101 sizes.
In the foregoing description, heating board 201 can be metallic heating body, also can be the heater of other materials.In this embodiment, what heating board 201 adopted is carbon trichite hot plate, is composited through high temperature high pressure enclosed by nonmetallic carbon trichite hot material and high-strength insulating material.The brilliant formed planar resistive element of local unordered, whole orderly carbon is a kind of pure resistance body; No inductance; Energising back noiselessness, no electromagnetic pollution, simultaneously planar resistive element be heating face be again radiating surface, almost do not have self thermal losses; The thermal efficiency wherein is that the heat radiation mode is transmitted more than 70% up to more than 98%.With regard to material self, under same technical conditions, other metallic heating body energy-conservation about 30～50% relatively.
With reference to Fig. 3; This carbon trichite hot plate comprises heat conductive insulating layer 2011, carbon trichite thermosphere 2012, aluminize reflective coating 2013 and insulating 2014; Wherein carbon trichite thermosphere 2012 is the heating main body, and thickness generates heat under the effect of extra electric field at 1mm～1.5mm; The heat that its A face produces is delivered to heat conductive insulating layer 2011 (thickness 1mm) with the mode of conduction and radiation; (thickness 0.2mm～0.4mm) reflex to heat conductive insulating layer 2011, therefore, the heat that heater produces can all be passed to the chassis 101 that contacts with heating board 201 via heat conductive insulating layer 2011 to the heat that the B face produces via the reflective coating 2013 of aluminizing.(thickness 1.5mm～2mm) is main in structure to be risen heat insulation and to the protective effect of heating main body insulating 2014.The brilliant heating plate of whole carbon is composited through HTHP, has functions such as fire-retardant antivibration, corrosion-resistant, protection against the tide, do not have during use get an electric shock dangerous, the normal Maintenance free down that uses, long service life.
Refer again to Fig. 1, the anti-freeze structure applications in above-mentioned chassis also is equipped with heat exchanger 301 on its chassis 101 when air-conditioner outdoor unit.So the heating board 201 of present embodiment is installed along heat exchanger 301, thereby near the osculum on the heat exchanger 301 302, the stifled position of easy ice of air-conditioner is heated at first, the condensed water after the defrost is difficult to form ice sheet, has further improved anti-freeze effect.
The contour structures of above-mentioned heating board 201 can change according to the shape of heat exchanger 301.For example, as shown in Figure 1, row, the then curved setting of a wherein end of heating board 201 are bent in being shaped as of this heat exchanger 301.If being shaped as of heat exchanger 301 is in line, profile that then can heating board 201 is set to strip, and is as shown in Figure 4.
The utility model makes air-conditioner chassis heats be enhanced, and has more avoided the energy loss that the most of the time need not to heat, and greatly reduces the use cost under the ultra-low temperature surroundings, reaches desirable energy-saving effect.
The above is merely the preferred embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (10)
1. anti-freeze structure in chassis; It is characterized in that; The controller that comprises the chassis, is fixed on the heating board on the chassis and is electrically connected and controls the conducting of heating board power supply or end with said heating board, said heating board contact with the chassis heat that produces are passed to the chassis.
2. the anti-freeze structure in chassis according to claim 1; It is characterized in that; Said heating board is a carbon trichite hot plate; Comprise the heat conductive insulating layer, carbon trichite thermosphere, aluminize reflective coating and the insulating that set gradually, wherein said carbon trichite thermosphere is electrically connected with said controller, and said heat conductive insulating layer contacts the heat that carbon trichite thermosphere is produced and is passed to the chassis with said chassis.
3. the anti-freeze structure in chassis according to claim 1 and 2 is characterized in that, said controller is to be connected between said heating board and the heating board power supply and the temperature controller of controlling the conducting of said heating board power supply or ending.
4. the anti-freeze structure in chassis according to claim 3 is characterized in that, the temperature protector of control heating board heating-up temperature is set on the said heating board.
5. the anti-freeze structure in chassis according to claim 1 and 2; It is characterized in that said controller is a control circuit board, said control circuit board comprises processor, phase inverter and relay; The control end of said relay is a coil; Controlled terminal is a switch, and said phase inverter is connected with a port of processor, and the other end of said phase inverter connects the coil of said relay; The other end of said coil connects the working power of relay, and the switch of said relay connects said heating board and controls the break-make of the operating circuit of heating board.
6. an air-conditioner is characterized in that, the controller that comprises the chassis, is fixed on the heating board on the chassis and is connected and controls the conducting of heating board power supply or end with said heating board, said heating board contact with the chassis heat that produces is passed to the chassis.
7. air-conditioner according to claim 6; It is characterized in that; Said heating board is a carbon trichite hot plate; Comprise the heat conductive insulating layer, carbon trichite thermosphere, aluminize reflective coating and the insulating that set gradually, wherein said carbon trichite thermosphere is electrically connected with said controller, and said heat conductive insulating layer contacts the heat that carbon trichite thermosphere is produced and is passed to the chassis with said chassis.
8. according to claim 6 or 7 described air-conditioners, it is characterized in that said controller is to be connected between said heating board and the heating board power supply and the temperature controller of controlling the conducting of said heating board power supply or ending; The temperature protector of control heating board heating-up temperature is set on the said heating board.
9. according to claim 6 or 7 described air-conditioners; It is characterized in that said controller is the control circuit board that is provided with on the air-conditioner outdoor unit, said control circuit board comprises processor, phase inverter and relay; The control end of said relay is a coil; Controlled terminal is a switch, and said phase inverter is connected with a port of processor, and the other end of said phase inverter connects the coil of said relay; The other end of said coil connects the working power of relay, and the switch of said relay connects said heating board and controls the break-make of the operating circuit of heating board.
10. air-conditioner according to claim 6 is characterized in that, heat exchanger also is set on the said chassis, and said heating board is fixed on the said chassis along heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202716164U CN202171375U (en) | 2011-07-28 | 2011-07-28 | Anti-frozen structure of bottom plate and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202716164U CN202171375U (en) | 2011-07-28 | 2011-07-28 | Anti-frozen structure of bottom plate and air conditioner |
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| Publication Number | Publication Date |
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| CN202171375U true CN202171375U (en) | 2012-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202716164U Expired - Fee Related CN202171375U (en) | 2011-07-28 | 2011-07-28 | Anti-frozen structure of bottom plate and air conditioner |
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| CN104279646A (en) * | 2013-07-01 | 2015-01-14 | 广东美的制冷设备有限公司 | Outdoor unit of air conditioner, base plate assembly of outdoor unit and defrosting method for outdoor unit of air conditioner |
| CN106338130A (en) * | 2016-09-30 | 2017-01-18 | 广东美的制冷设备有限公司 | Snow removal control method for air conditioner outdoor unit |
| CN106545961A (en) * | 2016-10-24 | 2017-03-29 | 珠海格力电器股份有限公司 | A kind of control method and air conditioning system of air-conditioner base plate heating tape |
| CN106642541A (en) * | 2016-11-23 | 2017-05-10 | 珠海格力电器股份有限公司 | Control method and device of electric heating tape of air conditioner chassis |
| CN107228468A (en) * | 2017-07-26 | 2017-10-03 | 珠海格力电器股份有限公司 | Air-conditioning Cycle device and air-conditioning |
| WO2018113154A1 (en) * | 2016-12-23 | 2018-06-28 | 广东美的暖通设备有限公司 | Control method and control apparatus for air conditioner heating system, and air conditioner |
| CN108226881A (en) * | 2018-02-27 | 2018-06-29 | 北京环境特性研究所 | A kind of corner reflector and the automatic system for removing ice and snow |
| WO2018205388A1 (en) * | 2017-05-10 | 2018-11-15 | 广东美的制冷设备有限公司 | Air conditioner, and control device and method for air conditioner |
| CN109237734A (en) * | 2018-08-31 | 2019-01-18 | 青岛海尔空调电子有限公司 | A kind of air conditioner outdoor unit chassis method for heating and controlling |
| CN111594937A (en) * | 2020-05-29 | 2020-08-28 | 宁波奥克斯电气股份有限公司 | Defrosting device and method and air conditioner |
| CN113959064A (en) * | 2021-11-29 | 2022-01-21 | 广东积微科技有限公司 | Air conditioner and deicing method |
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2011
- 2011-07-28 CN CN2011202716164U patent/CN202171375U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104279646A (en) * | 2013-07-01 | 2015-01-14 | 广东美的制冷设备有限公司 | Outdoor unit of air conditioner, base plate assembly of outdoor unit and defrosting method for outdoor unit of air conditioner |
| CN106338130A (en) * | 2016-09-30 | 2017-01-18 | 广东美的制冷设备有限公司 | Snow removal control method for air conditioner outdoor unit |
| CN106338130B (en) * | 2016-09-30 | 2019-11-26 | 广东美的制冷设备有限公司 | A kind of snow removing control method of air-conditioner outdoor unit |
| CN106545961A (en) * | 2016-10-24 | 2017-03-29 | 珠海格力电器股份有限公司 | A kind of control method and air conditioning system of air-conditioner base plate heating tape |
| CN106545961B (en) * | 2016-10-24 | 2020-04-21 | 珠海格力电器股份有限公司 | Control method of air conditioner chassis heating belt and air conditioning system |
| CN106642541A (en) * | 2016-11-23 | 2017-05-10 | 珠海格力电器股份有限公司 | Control method and device of electric heating tape of air conditioner chassis |
| CN106642541B (en) * | 2016-11-23 | 2019-09-20 | 珠海格力电器股份有限公司 | The control method and device of air-conditioner base plate heat tape |
| WO2018113154A1 (en) * | 2016-12-23 | 2018-06-28 | 广东美的暖通设备有限公司 | Control method and control apparatus for air conditioner heating system, and air conditioner |
| WO2018205388A1 (en) * | 2017-05-10 | 2018-11-15 | 广东美的制冷设备有限公司 | Air conditioner, and control device and method for air conditioner |
| CN107228468B (en) * | 2017-07-26 | 2023-12-26 | 珠海格力电器股份有限公司 | Air conditioner circulating device and air conditioner |
| CN107228468A (en) * | 2017-07-26 | 2017-10-03 | 珠海格力电器股份有限公司 | Air-conditioning Cycle device and air-conditioning |
| CN108226881A (en) * | 2018-02-27 | 2018-06-29 | 北京环境特性研究所 | A kind of corner reflector and the automatic system for removing ice and snow |
| CN109237734A (en) * | 2018-08-31 | 2019-01-18 | 青岛海尔空调电子有限公司 | A kind of air conditioner outdoor unit chassis method for heating and controlling |
| CN111594937B (en) * | 2020-05-29 | 2022-01-21 | 宁波奥克斯电气股份有限公司 | Defrosting device and method and air conditioner |
| CN111594937A (en) * | 2020-05-29 | 2020-08-28 | 宁波奥克斯电气股份有限公司 | Defrosting device and method and air conditioner |
| CN113959064A (en) * | 2021-11-29 | 2022-01-21 | 广东积微科技有限公司 | Air conditioner and deicing method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20190728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |