CN202648089U - Defrosting device for outdoor unit of heat-pump type air conditioner - Google Patents
Defrosting device for outdoor unit of heat-pump type air conditioner Download PDFInfo
- Publication number
- CN202648089U CN202648089U CN 201220244910 CN201220244910U CN202648089U CN 202648089 U CN202648089 U CN 202648089U CN 201220244910 CN201220244910 CN 201220244910 CN 201220244910 U CN201220244910 U CN 201220244910U CN 202648089 U CN202648089 U CN 202648089U
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- air conditioner
- water
- drainpipe
- premises station
- chassis
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Abstract
The utility model discloses a defrosting device for an outdoor unit of a heat-pump type air conditioner. The outdoor unit comprises a heat exchanger, a convection fan and a chassis, wherein the chassis is provided with a drain hole which is provided with a drain nozzle, the drain nozzle is connected with a drain pipe assembly which comprises a water pipe, a heating belt and a connecting guide wire, and the heating belt is wound on the outer wall of the water pipe. According to the utility model, by means of improving the drain pipe structure of the traditional air-conditioner outdoor unit and laying the heating belt on the drain pipe, the temperature of the drain pipe is increased, water in the drain pipe is prevented from icing, water is ensured to be discharged smoothly during each chassis defrosting, the frosting degree and the frosting frequency of a condenser are reduced, the defrosting speed is accelerated while the defrosting time is shortened, and the heating capacity of the air conditioner is improved.
Description
Technical field
The utility model relates to refrigeration technology field, more particularly, relates to a kind of off-premises station defrosting device of heat pump air conditioner.
Background technology
When heat-pump-type family expenses room air conditioner in the situation that during the lower heating operation of outdoor temperature, because outdoor temperature is lower, after operation a period of time, frost can occur.This be because: off-premises station adopts air-cooled cold face temperature etc. more, when air stream during through heat exchanger, if its contained moisture will separate out and be attached to coil surface and forms frost layer when the coil temperature of outdoor heat exchanger was lower than the dew-point temperature of air.The temperature difference between coil surface and the intake air is larger, and frosting speed is faster, and frosting is also more serious.Along with the formation of frost layer, the exchange capability of heat of off-premises station subtracts greatly, thereby the heating capacity of air-conditioner is descended.Therefore, when accumulating to a certain degree, frost layer just need to defrost.
When reaching air-conditioner defrosting condition, air-conditioner starts defrosting mode, and the frost layer of tying on the condenser is changed into water.The ice that general cold area all can adopt the scheme of chassis defrost will condense on the chassis melts.Referring to Fig. 1, the bottom of existing air-conditioner outdoor unit 1 is chassis 11, heat exchanger and outdoor aerofoil fan 13 are installed in top, chassis, the front panel 12, on the chassis 11 osculum is arranged, water draining beak 3 is installed on the osculum, water draining beak connects drainpipe 4, and the ice on the chassis 11 is discharged off-premises stations by water draining beak 3 outflows on chassis through drainpipe 4 after changing into water.Generally, drainpipe 4 is all long, and drainpipe arranges a plurality of grooves in the interval with it, a part of water is remained in a standstill be difficult to emptying in drainpipe, drainage pipe end is away from the chassis, local temperature is lower, and when outdoor environment temperature was low to moderate subzero, the moisture that remains on the drainpipe build-up ice soon, number of times increase along with defrost, the ice of drainpipe is more and more, at last drainpipe is blocked, and the moisture of defrost can not be discharged from drainpipe.When moisture amasss can not drain in the chassis time, when in a single day air-conditioner carried out heating mode, the water that the copper pipe of condenser or fin surface frosting, frost layer are stretched on the chassis made the water on the chassis will condense into ice sheet.The off-premises station heating capacity sharply descends, and defrosting time increases, and the defrosting number of times is frequent, affects the indoor room temperature.Therefore, guarantee that the bottom plate of outdoor unit draining is unobstructed heating under the state, make the experiment off-premises station effectively defrosting be technical issues that need to address.
The utility model content
The utility model purpose provides a kind of off-premises station defrosting device of heat pump air conditioner, and the defrosting water that each defrost is produced all can thoroughly be discharged from bottom plate of outdoor unit, makes defrosting effect better, the deficiency that exists to overcome prior art.
The technical solution of the utility model is: the off-premises station defrosting device of heat pump air conditioner, described off-premises station comprises heat exchanger, convection fan, chassis, described chassis is provided with osculum, water draining beak is installed on the osculum, described water draining beak connects drain assembly, described drain assembly comprises drainpipe, heating tape, connection wire, and described heating tape is wrapped on the described drainpipe outer wall.
The outside of described heating tape is provided with heat-insulation layer.
The end of described drainpipe is provided with the fixed sleeving with described water draining beak interference fit.
The end of described water draining beak is provided with boss, and the root of described fixed sleeving is provided with the fixed groove suitable with described boss.
The water side of described drainpipe is connected with out water jacket plug.
Describedly go out the card wing that water jacket plug is provided with body, outwards extends from tube wall, the water side of described water pipe is inserted in described body and the interplane gap of card.
Compared with prior art, the beneficial effects of the utility model are:
The utility model makes improvements by the drain structure to existing air-conditioner outdoor unit, lay the heating tape at drainpipe, improve the drainpipe temperature, preventing from managing interior water build-ups ice, guaranteed that the defrost of each chassis can both discharge water smoothly, alleviate frosting degree and the frosting frequency of condenser, accelerated defrost speed and shortened simultaneously the defrost time, improved the heating capacity of air-conditioner.
Description of drawings
Fig. 1 is existing outdoor unit for heat pump type air conditioner structural representation;
Fig. 2 is the structural representation that the utlity model has the outdoor unit for heat pump type air conditioner of defrosting device;
Fig. 3 is the structural representation of heat pump air conditioner defrosting device of the present utility model.
The specific embodiment
Below, with accompanying drawing the utility model is described in more detail in conjunction with the embodiments:
Referring to Fig. 2 and Fig. 3, off-premises station 1 defrosting device of heat pump air conditioner of the present utility model comprises, the chassis 11 of off-premises station, osculum on the chassis 11, the water draining beak 3 of installing on the osculum, and the drain assembly 2 that is connected with water draining beak 3, wherein, drain assembly 2 comprises drainpipe 20, heating tape 25, connects wire 23, and heating tape 25 is wrapped on described drainpipe 20 outer walls, connects wire 23 is connected heating tape 25 with indoor set control power supply connection.
Shown in Figure 2 is the outdoor unit structure that includes defrosting device of the present utility model, and chassis 11 is established in the bottom of off-premises station 1, and the top arranges the parts that comprise heat exchanger, convection fan 13, and convection fan 13 is installed in the fan frame of front panel 12.11 are provided with the osculum (not shown) on the chassis, water draining beak 3 is installed on the osculum, water draining beak 3 connects drainpipe 20, water draining beak 3 ends are boss, the link of drainpipe 20 is fixed sleevings 21 of the internal diameter outlet that is slightly less than water draining beak 3, root at the fixed sleeving 21 of drainpipe 20 is provided with fixed groove 22, the boss that is used for exporting with the end of water draining beak 3 matches, fixed sleeving 21 is fixedly connected with water draining beak 3, makes drainpipe 2 exit that is enclosed within off-premises station water draining beak 3 tightly.
Fig. 3 is the amplification cut-away view of drain assembly 2, as shown in the figure, the top of drainpipe 20 is fixed sleevings 21, root at fixed sleeving 21 arranges fixed groove 22, be embedded with heating tape 25 at drainpipe 20 outer walls, in the heating tape 25 and the outer wrap of drainpipe 20 one layer of heat preservation layer 24, the power port of heating tape 25 connects wire 23, described heating tape 25 heatings behind wire 23 pluggeds.25 surfaces, heating tape also are provided with resistant to elevated temperatures insulating materials, effectively prevent heating tape 25 electric leakages.The power of heating tape 25 should not arrange too high, guarantees that its caloric value must must not make the drainpipe temperature be higher than the fusing point of its material.At the end (water side) of drainpipe 20 for going out water jacket plug 26, going out water jacket plug 26 is made of body 261, the card wing 262 that outwards extends from tube wall, the card wing 262 opening upwards, the end of described drainpipe 20 just card are inserted in the gap of described body 261 and the card wing 262.On the tube wall excircle that goes out an end on the water jacket plug 26, opposite with the card wing 262 opening directions, be provided with profile of tooth projection 263, the span of the most significant end of profile of tooth projection 263 is wider than the internal diameter of drainpipe 20, when profile of tooth projection 263 is inserted the fixed sleeving 21 of another drainpipes 20 when interior, profile of tooth projection 263 is crossed by being full of with the inwall of fixed sleeving 21 and is cooperated, two drainpipes are refuted connect, be applicable to different occasions.Become this delivery port 26 of longer drainpipe to join with the fixed sleeving 21 of drainpipe 20, be convenient to two drainpipes are refuted and connect.
When drain assembly 2 is installed with off- premises station 1,11 osculum places, chassis at off-premises station 1 snap in water draining beak 3, then the fixed sleeving 21 of drainpipe 20 is inserted in the outlet of chassis water draining beak 3, the internal diameter of fixed sleeving 21 is slightly less than the outlet external diameter of water draining beak 3, both interference fit, and be provided with fixed groove 22 in the fixed sleeving 21 of drainpipe 20 to block the outlet boss of water draining beak 3, can be with drainpipe 20 exit that is enclosed within off-premises station water draining beak 3 tightly.At last with (not shown) in the indoor relay in automatically controlled of wire 23 access.When the air-conditioner defrost, heating tape 25 energising heating make drainpipe 20 inner wall temperatures be higher than zero degree, prevent that the moisture in the drainpipe 20 from freezing again, and the insulation material 25 of drainpipe 20 can make the heat of heating tape 25 work generations be difficult for being lost in the air and go.When the air-conditioner defrost has finished to postpone 30S, heating tape 25 outages, stopped heating work.Experimental data shows, control heating tape 25 postpones the 30S outage and can guarantee after defrost process: during the defrost of each chassis, frost on the chassis 11 can both melt and is water, discharge swimmingly, and because each all can defrost clean, thereby effectively reduced frosting speed next time and again defrost take, alleviated the frosting degree of condenser, reduce defrosting time and defrosting number of times, thereby improved the heating capacity of air-conditioner outdoor unit 1.
Claims (6)
1. the off-premises station defrosting device of heat pump air conditioner, described off-premises station comprises heat exchanger, convection fan, chassis, described chassis is provided with osculum, water draining beak is installed on the osculum, it is characterized in that: described water draining beak connects drain assembly, described drain assembly comprises drainpipe, heating tape, connection wire, and described heating tape is wrapped on the described drainpipe outer wall.
2. the off-premises station defrosting device of heat pump air conditioner according to claim 1, it is characterized in that: the outside of described heating tape is provided with heat-insulation layer.
3. the off-premises station defrosting device of heat pump air conditioner according to claim 2, it is characterized in that: the end of described drainpipe is provided with the fixed sleeving with described water draining beak interference fit.
4. the off-premises station defrosting device of heat pump air conditioner according to claim 3, it is characterized in that: the end of described water draining beak is provided with boss, and the root of described fixed sleeving is provided with the fixed groove suitable with described boss.
5. the off-premises station defrosting device of heat pump air conditioner according to claim 1, it is characterized in that: the water side of described drainpipe is connected with out water jacket plug.
6. the off-premises station defrosting device of heat pump air conditioner according to claim 5 is characterized in that: describedly go out the card wing that water jacket plug is provided with body, outwards extends from tube wall, the water side of described water pipe is inserted in described body and the interplane gap of card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244910 CN202648089U (en) | 2012-05-29 | 2012-05-29 | Defrosting device for outdoor unit of heat-pump type air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220244910 CN202648089U (en) | 2012-05-29 | 2012-05-29 | Defrosting device for outdoor unit of heat-pump type air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202648089U true CN202648089U (en) | 2013-01-02 |
Family
ID=47417187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220244910 Expired - Fee Related CN202648089U (en) | 2012-05-29 | 2012-05-29 | Defrosting device for outdoor unit of heat-pump type air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202648089U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202724A (en) * | 2015-10-21 | 2015-12-30 | Tcl空调器(中山)有限公司 | Air conditioner control method, air conditioner control device and air conditioner |
| CN112240652A (en) * | 2019-07-17 | 2021-01-19 | 青岛海尔新能源电器有限公司 | Drain pipe and heat pump system |
| CN114484767A (en) * | 2022-01-18 | 2022-05-13 | 北京小米移动软件有限公司 | Air conditioner control method and device, air conditioner and medium |
-
2012
- 2012-05-29 CN CN 201220244910 patent/CN202648089U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202724A (en) * | 2015-10-21 | 2015-12-30 | Tcl空调器(中山)有限公司 | Air conditioner control method, air conditioner control device and air conditioner |
| CN105202724B (en) * | 2015-10-21 | 2018-11-16 | Tcl空调器(中山)有限公司 | Air-conditioner control method, air conditioner controlling device and air conditioner |
| CN112240652A (en) * | 2019-07-17 | 2021-01-19 | 青岛海尔新能源电器有限公司 | Drain pipe and heat pump system |
| CN114484767A (en) * | 2022-01-18 | 2022-05-13 | 北京小米移动软件有限公司 | Air conditioner control method and device, air conditioner and medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130102 Termination date: 20180529 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |