CN203454492U - Liquid storage device for air conditioner and air conditioner with liquid storage device - Google Patents
Liquid storage device for air conditioner and air conditioner with liquid storage device Download PDFInfo
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- CN203454492U CN203454492U CN201320494426.8U CN201320494426U CN203454492U CN 203454492 U CN203454492 U CN 203454492U CN 201320494426 U CN201320494426 U CN 201320494426U CN 203454492 U CN203454492 U CN 203454492U
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Abstract
The utility model discloses a liquid storage device for an air conditioner and an air conditioner with the liquid storage device. The liquid storage device comprises a liquid storage tank, a first pipe, a second pipe and a heating device, wherein one end of the first pipe is connected with an outdoor heat exchanger; the other end of the first pipe extends into an accommodating cavity; one end of the second pipe is connected with an indoor heat exchanger; the other end of the second pipe extends into the accommodating cavity; the heating device is used for heating a cold refrigerant in the liquid storage tank. According to the liquid storage device for the air conditioner, by the arrangement of the heating device for heating the refrigerant in the liquid storage tank, the refrigerant circulation during low-temperature heating of an air conditioning system is improved, the low-temperature heating capacity of the air conditioning system is improved, the low-temperature refrigeration range is enlarged, meanwhile, the defrosting efficiency of the air conditioning system is improved, the influence of a defrosting action on heating the air conditioning system is reduced, and the use comfort is improved. In addition, the liquid storage tank has an effect of adjusting the circulation amount of the refrigerant, so that the liquid storage tank has the effect of adjusting the energy of the air conditioning system, and the heating effect and the refrigerating effect can be improved.
Description
Technical field
The utility model relates to field of household appliances, in particular to a kind of reservoir for air-conditioning with have its air-conditioning.
Background technology
At present, common air-conditioning system, all has refrigeration mode, heating mode and defrosting mode.
When ambient temperature very low, during air-conditioning system operation heating mode, if ambient temperature is too low or the full frost of outdoor heat exchanger knot, the refrigerant in outdoor heat exchanger is difficult to absorb enough heats and evaporates, and a large amount of liquid refrigerants stockpile in outdoor heat exchanger, and compressor low pressure reduces, row/return-air declines, pressure ratio increases, and air-conditioning system refrigerant circulation reduces, and heating capacity is not enough.With this state operation, not only heating capacity is faint, and compressor risk is larger for a long time.
In addition, air-conditioning system is under heating mode, outdoor heat exchanger is less than 0 degree because of evaporating temperature, the frosting of condensing on outdoor heat exchanger of water in air steam, conventionally frosting acquires a certain degree, air-conditioning system can be carried out defrost action, in order to prevent the continuous decrease that enters continuous decrement and system reliability of heating capacity.
When defrost action is carried out, cross valve commutation, system switches to refrigeration mode by heating mode, now chamber inside/outside machine blower fan all stops, utilize the heat of the high temperature refrigerant of compressor discharge to melt the frost on heat exchanger, condensed refrigerant enters fluid reservoir after reducing pressure by regulating flow, then flows into indoor heat exchanger.What now at indoor heat exchanger, carry out is evaporation endothermic process, and what need due to user is to heat, therefore indoor fan stall, otherwise blow a cold wind over, the heat exchange extreme difference of indoor heat exchanger now, a large amount of liquid refrigerants can not get evaporation and stockpile, and cause pressure of inspiration(Pi) to reduce, suction temperature reduces, refrigerant circulation reduces, and delivery temperature reduces, and for the heat of defrost, reduces gradually, decrease in efficiency, defrost process slows down.
In addition, air-conditioning system is when cryogenic refrigeration, and because condenser heat exchange may be excessively, pressure at expulsion is lower, now easily causes evaporimeter frequently to freeze, refrigerant circulation difficulty, and oil is difficult to get back to compressor and causes the problems such as compressor abrasion.
Utility model content
The utility model is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.For this reason, an object of the present utility model is to propose a kind of reservoir for air-conditioning that improves air-conditioning system low-temperature heating ability advantage that has.
Another object of the present utility model is to propose a kind of air-conditioning, and it comprises the above-mentioned reservoir for air-conditioning.
According to the reservoir for air-conditioning of the present utility model, air-conditioning comprises indoor heat exchanger and outdoor heat exchanger, and reservoir comprises: fluid reservoir, is formed with container cavity in fluid reservoir; The first pipe, one end of the first pipe is suitable for being connected with outdoor heat exchanger, and the other end of the first pipe extend in container cavity; The second pipe, one end of the second pipe is suitable for being connected with indoor heat exchanger, and the other end of the second pipe extend in container cavity; For the heater of the refrigerant heating in fluid reservoir, heater is located at fluid reservoir bottom.
According to the reservoir for air-conditioning of the present utility model by arrange can be to the refrigerant heating in fluid reservoir heater, refrigerant circulation while having improved air-conditioning system low-temperature heating, ability and the cryogenic refrigeration scope of air-conditioning system low-temperature heating have been improved, improved the efficiency of air-conditioning system defrost simultaneously, reduce the impact that defrost action heats air-conditioning system, improved comfort.In addition, because fluid reservoir has the effect that regulates refrigerant circulation, so reservoir has the effect that regulates air-conditioning system energy, can improve cooling or heating effect.
In addition, according to the reservoir for air-conditioning of the present utility model, can also there is following additional technical characterictic:
Heater is electric heater.
Electric heater is heat tape or electrically heated rod.
Electrically heated rod is inserted in cavity by the outside level of fluid reservoir.Electrically heated rod directly directly heats the refrigerant in fluid reservoir, and heating effect is good.
Heat tape is removably located on fluid reservoir.When heat tape damages, change and repair easily, have reduced customer using cost.
Heat tape is bundled on the outer surface of fluid reservoir.Heat tape generates heat and passes to fluid reservoir, and then fluid reservoir passes to inner refrigerant, thereby heat tape can heat the refrigerant in fluid reservoir.
Heat tape is annular and is set on the outer peripheral face of fluid reservoir.
The other end of the other end of the first pipe and the second pipe approaches the bottom of fluid reservoir.
The end face of the other end of the first pipe is concordant with the end face of the other end of the second pipe, and heat tape or electrically heated rod are close to the bottom of fluid reservoir and are positioned at the preset distance place, end face top of the other end of the first pipe.Like this can be better to the refrigerant heating in fluid reservoir.
Heat tape is a plurality of and is spaced apart from each other in the short transverse of fluid reservoir.Can evenly effectively to fluid reservoir, heat like this, thereby better to the refrigerant heating in fluid reservoir.
According to air-conditioning of the present utility model, comprise the above-mentioned reservoir for air-conditioning.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram of the reservoir for air-conditioning of an embodiment of the utility model.
Reference numeral:
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Below with reference to Fig. 1, describe according to the reservoir 100 for air-conditioning of the utility model embodiment.
Air-conditioning comprises indoor heat exchanger and outdoor heat exchanger.
According to the reservoir 100 for air-conditioning of the utility model embodiment, comprise fluid reservoir 1, first pipe the 2, second pipe 3 and the heater 4 heating for the refrigerant in fluid reservoir 1.
Wherein, in fluid reservoir 1, be formed with container cavity.In container cavity, can store refrigerant (being also referred to as cold-producing medium), thereby can regulate the quantity of refrigerant in cooling and warming circulation, that is to say, fluid reservoir 1 has the effect that regulates refrigerant circulation.When air-conditioning system load hour, the required cold-producing medium of air-conditioning system is few, and unnecessary cold-producing medium is stored in fluid reservoir 1; When air-conditioning system is loaded when large, from fluid reservoir 1, supplement part of refrigerant and enter circulation.Like this, the refrigerant flow in air-conditioning system is more stable, and the cold-producing medium of each parts distributes also more balanced.
The shell of fluid reservoir 1 is formed by welded steel plate conventionally, or makes with seamless steel pipe, at the two ends of seamless steel pipe welding upper end cover.On top cover, be provided with feed tube and drain pipe.
One end of the first pipe 2 is suitable for being connected with outdoor heat exchanger, and the other end of the first pipe 2 extend in container cavity.The first pipe 2 can be from fluid reservoir 1 top through and to the interior extension of fluid reservoir 1.Be understandable that, refrigerant can enter in fluid reservoir 1 from outdoor heat exchanger by the first pipe 2, also can from fluid reservoir 1, enter in outdoor heat exchanger by the first pipe 2.
One end of the second pipe 3 is suitable for being connected with indoor heat exchanger, and the other end of the second pipe 3 extend in container cavity.Second pipe 3 from fluid reservoir 1 top through and to the interior extension of fluid reservoir 1.Be understandable that, refrigerant can enter in fluid reservoir 1 from indoor heat exchanger by the second pipe 3, also can from fluid reservoir 1, enter in indoor heat exchanger by the second pipe 3.
In an embodiment of the present utility model, the other end of the other end of the first pipe 2 and the second pipe 3 can approach the bottom of fluid reservoir 1.
When air-conditioning system refrigerating operaton, the refrigerant of the HTHP of discharging from compressor in outdoor heat exchanger to outdoor air heat release, refrigerant condensation becomes liquid refrigerants, refrigerant enters fluid reservoir 1 by the first pipe 2 after reducing pressure by regulating flow, then by the second pipe 3, from fluid reservoir 1, flows out into indoor heat exchanger, heat absorption evaporation in indoor heat exchanger, become gaseous coolant, reduce indoor temperature, then refrigerant is got back to compressor simultaneously, completes kind of refrigeration cycle one time.
When air-conditioning system heating operation, the refrigerant of the HTHP of discharging from compressor in indoor heat exchanger to room air heat release, promote indoor temperature, refrigerant condensation becomes liquid refrigerants, after reducing pressure by regulating flow, by the second pipe 3, enters fluid reservoir 1, then by the first pipe 2, from fluid reservoir 1, flows out into outdoor heat exchanger, heat absorption evaporation in outdoor heat exchanger, become gaseous coolant, then get back to compressor, complete and once heat circulation.
Briefly, when air-conditioning system refrigerating operaton, refrigerant enters fluid reservoir 1 by the first pipe 2 from outdoor heat exchanger, then by the second pipe 3, flows out fluid reservoir 1 and enters indoor heat exchanger.When air-conditioning system heating operation, refrigerant enters fluid reservoir 1 by the second pipe 3 from indoor heat exchanger, then by the first pipe 2, flows out fluid reservoir 1 and enters outdoor heat exchanger.
Air-conditioning system is when heating operation, and when ambient temperature is too low or the full frost of off-premises station knot, heater 4 can improve evaporating pressure and the temperature of refrigerant like this to the refrigerant heating in fluid reservoir 1, slows down frosting process, thereby has strengthened the heat exchange of outdoor heat exchanger.Outdoor heat exchanger is strengthened heat exchange and can be avoided a large amount of liquid refrigerants to stockpile in outdoor heat exchanger, thereby keep suction temperature and the back pressure of compressor unlikely too low, and then compressor pressure ratios is reduced, refrigerant circulation increases, exhaust is risen, and system heating capacity improves.
In addition, air-conditioning system under heating mode, when outdoor heat exchanger is less than 0 degree because of evaporating temperature, the frosting of condensing on outdoor heat exchanger of water in air steam, frosting acquires a certain degree conventionally, air-conditioning system can be carried out defrost.
When air-conditioning system defrost, air-conditioning system switches to refrigeration mode by heating mode, now the blower fan in indoor heat exchanger and outdoor heat exchanger is not all worked, the frost on outdoor heat exchanger is melted in the high temperature refrigerant that compressor is discharged heat exchange in outdoor heat exchanger, that is to say, utilize the heat of the high temperature refrigerant of compressor discharge to melt the frost on outdoor heat exchanger.Condensed refrigerant enters fluid reservoir 1 after reducing pressure by regulating flow, then flows into indoor heat exchanger.
When air-conditioning system defrost, refrigerant in heater 4 heating fluid reservoirs 1, can improve like this evaporating pressure and the temperature of refrigerant, can avoid a large amount of liquid refrigerants to stockpile in indoor heat exchanger, keep suction temperature and the back pressure of compressor unlikely too low, can reduce the compression ratio of compressor, increase the internal circulating load of refrigerant, promoted delivery temperature, thereby strengthened defrost ability and improved defrost efficiency.
After air-conditioning system defrost finishes, heater 4 can continue the refrigerant heating in fluid reservoir 1, can further reduce like this liquid refrigerants amount in air-conditioning system, increase refrigerant circulation, make indoor heat exchanger have at short notice enough heat output, thereby improve the average heating capacity of air-conditioning system, and improved user's comfort level.
In addition, air-conditioning system is when cryogenic refrigeration, and heater 4 can improve pressure at expulsion, thereby can promote well refrigerant circulation like this to the refrigerant heating in fluid reservoir 1, avoids outdoor heat exchanger frequently to freeze.
According to the reservoir 100 for air-conditioning of the utility model embodiment by arrange can be to the refrigerant heating in fluid reservoir 1 heater 4, refrigerant circulation while having improved air-conditioning system low-temperature heating and cryogenic refrigeration, ability and the cryogenic refrigeration scope of air-conditioning system low-temperature heating have been improved, improved the efficiency of air-conditioning system defrost simultaneously, reduce the impact that defrost action heats air-conditioning system, improved comfort.In addition, because fluid reservoir 1 has the effect that regulates refrigerant circulation, so reservoir has the effect that regulates air-conditioning system energy, can improve cooling or heating effect.
In an embodiment of the present utility model, heater 4 can be electric heater.That is to say, heater 4 is connected with power supply, and when energising is opened, heater 4 generates heat and heats the refrigerant in fluid reservoir 1.
Further, electric heater can be heat tape 4 or electrically heated rod.That is to say, electric heater can be banded or bar-shaped.Can heat better the refrigerant in fluid reservoir 1 like this.
As shown in Figure 1, heat tape 4 can be comprised of heating power resistance wire 41 and lead-in wire 42.Lead-in wire 42 is connected with power supply, and when energising is opened, heating power resistance wire 41 heating powers also heat the refrigerant in fluid reservoir 1.
Electrically heated rod is inserted in cavity by the outside level of fluid reservoir 1.That is to say, electrically heated rod directly directly heats the refrigerant in fluid reservoir 1, and heating effect is good.
Certainly, be understandable that, electric heater also can be located on fluid reservoir 1 regularly.For example, electric heater can be welded on fluid reservoir 1.
As shown in Figure 1, the other end of the other end of the first pipe 2 and the second pipe 3 approaches the bottom of fluid reservoir 1.No matter can guarantee cooling and warming like this, the refrigerant that flows out fluid reservoir 1 is always liquid.
Further, the end face of the other end of the first pipe 2 is concordant with the end face of the other end of the second pipe 3.
With reference to figure 1, heat tape 4 or electrically heated rod can be close to the bottom of fluid reservoir 1 and be positioned at the preset distance place, end face top of the other end of the first pipe 2.Due to the many bottoms that concentrates on fluid reservoir 1 of refrigerant, thus the bottom of heat tape 4 contiguous fluid reservoirs 1, like this can be better to the refrigerant heating in fluid reservoir 1.
Be understandable that, preset distance can specifically arrange as the case may be, or specifically arranges according to the model of fluid reservoir.
In an embodiment of the present utility model, heat tape 4 is a plurality of and is spaced apart from each other in the short transverse of fluid reservoir 1.Can evenly effectively to fluid reservoir 1, heat like this, thereby better to the refrigerant heating in fluid reservoir 1.
According to the air-conditioning of the utility model embodiment, comprise the above-mentioned reservoir 100 for air-conditioning.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.In addition, those skilled in the art can engage the different embodiment that describe in this description or example and combine.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, modification, replacement and modification.
Claims (11)
1. for a reservoir for air-conditioning, described air-conditioning comprises indoor heat exchanger and outdoor heat exchanger, it is characterized in that, described reservoir comprises:
Fluid reservoir, is formed with container cavity in described fluid reservoir;
The first pipe, one end of described the first pipe is suitable for being connected with described outdoor heat exchanger, and the other end of described the first pipe extend in described container cavity;
The second pipe, one end of described the second pipe is suitable for being connected with described indoor heat exchanger, and the other end of described the second pipe extend in described container cavity;
For the heater of the refrigerant heating in described fluid reservoir, described heater is located at the bottom of described fluid reservoir.
2. the reservoir for air-conditioning according to claim 1, is characterized in that, described heater is electric heater.
3. the reservoir for air-conditioning according to claim 2, is characterized in that, described electric heater is heat tape or electrically heated rod.
4. the reservoir for air-conditioning according to claim 3, is characterized in that, described electrically heated rod is inserted in cavity by the outside level of described fluid reservoir.
5. the reservoir for air-conditioning according to claim 3, is characterized in that, described heat tape is removably located on described fluid reservoir.
6. the reservoir for air-conditioning according to claim 5, is characterized in that, described heat tape is bundled on the outer surface of described fluid reservoir.
7. the reservoir for air-conditioning according to claim 5, is characterized in that, described heat tape is annular and is set on the outer peripheral face of described fluid reservoir.
8. according to the reservoir for air-conditioning described in claim 4 or 5, it is characterized in that, the described other end of described the first pipe and the described other end of described the second pipe approach the bottom of described fluid reservoir.
9. the reservoir for air-conditioning according to claim 8, it is characterized in that, the end face of the described other end of described the first pipe is concordant with the end face of the described other end of described the second pipe, and described heat tape or electrically heated rod are close to the bottom of described fluid reservoir and are positioned at the preset distance place, end face top of the described other end of described the first pipe.
10. the reservoir for air-conditioning according to claim 5, is characterized in that, described heat tape is a plurality of and is spaced apart from each other in the short transverse of described fluid reservoir.
11. 1 kinds of air-conditionings, is characterized in that, comprise the reservoir for air-conditioning described in claim 1-10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320494426.8U CN203454492U (en) | 2013-08-13 | 2013-08-13 | Liquid storage device for air conditioner and air conditioner with liquid storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320494426.8U CN203454492U (en) | 2013-08-13 | 2013-08-13 | Liquid storage device for air conditioner and air conditioner with liquid storage device |
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| Publication Number | Publication Date |
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| CN203454492U true CN203454492U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320494426.8U Expired - Lifetime CN203454492U (en) | 2013-08-13 | 2013-08-13 | Liquid storage device for air conditioner and air conditioner with liquid storage device |
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| CN (1) | CN203454492U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004001A (en) * | 2015-06-30 | 2015-10-28 | 广东美的制冷设备有限公司 | Air conditioner and refrigeration method |
| CN107314488A (en) * | 2017-07-11 | 2017-11-03 | 广东美的暖通设备有限公司 | The heat-exchanging loop system and its control method of air-conditioning |
| CN109668273A (en) * | 2018-12-19 | 2019-04-23 | 广东美的制冷设备有限公司 | Refrigerating plant control method, refrigerating plant and storage medium |
| CN114427694A (en) * | 2022-01-27 | 2022-05-03 | 北能合创(北京)科技有限公司 | Defrosting control method for air source heat pump unit and air source heat pump |
-
2013
- 2013-08-13 CN CN201320494426.8U patent/CN203454492U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004001A (en) * | 2015-06-30 | 2015-10-28 | 广东美的制冷设备有限公司 | Air conditioner and refrigeration method |
| CN107314488A (en) * | 2017-07-11 | 2017-11-03 | 广东美的暖通设备有限公司 | The heat-exchanging loop system and its control method of air-conditioning |
| CN109668273A (en) * | 2018-12-19 | 2019-04-23 | 广东美的制冷设备有限公司 | Refrigerating plant control method, refrigerating plant and storage medium |
| CN114427694A (en) * | 2022-01-27 | 2022-05-03 | 北能合创(北京)科技有限公司 | Defrosting control method for air source heat pump unit and air source heat pump |
| CN114427694B (en) * | 2022-01-27 | 2023-09-29 | 北能合创(北京)科技有限公司 | Defrosting control method for air source heat pump unit and air source heat pump |
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Granted publication date: 20140226 |
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