CN213178883U

CN213178883U - Air conditioner

Info

Publication number: CN213178883U
Application number: CN202022205165.6U
Authority: CN
Inventors: 柳林
Original assignee: Suzhou Ganlu Electromechanical Technology Co ltd
Current assignee: Suzhou Ganlu Electromechanical Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-11
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses an air conditioner, which comprises a basic function structure and a temperature compensation mechanism, wherein the basic function structure comprises a compressor, an outdoor heat exchanger, a throttling component and an indoor heat exchanger which are sequentially connected through a refrigerant pipeline, the temperature compensation mechanism comprises an indoor auxiliary heat exchanger, the indoor auxiliary heat exchanger is connected with the outdoor heat exchanger in parallel through a first branch pipe, and a first valve is arranged on the first branch pipe; the indoor auxiliary heat exchanger is arranged on the outer side of the indoor heat exchanger. The utility model discloses under the dehumidification mode, open first valve, outdoor heat exchanger and indoor auxiliary heat exchanger all switch over to the condenser parallelly connected and heat, and indoor heat exchanger switches over to the evaporimeter refrigeration, and indoor auxiliary heat exchanger during operation heats the air that becomes cold because of the dehumidification, realizes the regulation of indoor temperature under the principle of air convection, can compensate because the dehumidification and the air temperature that is reduced, realizes the function of constant temperature and humidity, moreover the utility model discloses can not produce any extra energy consumption and noise.

Description

Air conditioner

Technical Field

The utility model relates to an air conditioning equipment technical field especially relates to an air conditioner.

Background

At present, two types of household equipment for dehumidification are mainly available on the market, one type is a dehumidifier, and the dehumidifier generally has the problems of large noise, low dehumidification efficiency and large heat productivity when in use, so that indoor damp heat sensation is obvious; the other type is a household air conditioner, when the household air conditioner dehumidifies, the temperature of the heat exchanger of the indoor unit is reduced sufficiently through refrigeration, so that the air flowing through the indoor unit is supersaturated, and therefore water vapor in the air is condensed into water to achieve the purpose of dehumidification. However, when the air conditioner is operated in the dehumidification mode, generally because the air temperature is not high and the humidity is high, in order to avoid discomfort caused by that the air flowing through the indoor unit is blown to a human body after being cooled, the operation of the fan of the indoor unit is slow at the moment, which causes that the indoor air cannot form forced convection, and the air far away from the indoor unit needs to be dehumidified by diffusing to the vicinity of the indoor unit in a natural convection manner, which greatly reduces the dehumidification efficiency. And, because dehumidification efficiency is low, the air conditioner needs long-time operation, has wasted the energy on the one hand, and on the other hand after long-time operation, the indoor air still can drop to very low temperature, gives other people and causes the uncomfortable sensation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an air conditioner, including basic function structure and temperature compensation mechanism, the basic function structure includes compressor, outdoor heat exchanger, throttling element, filter and the indoor heat exchanger that link gradually through the refrigerant pipeline, the refrigerant of filter connection compressor advances the pipe, and temperature compensation mechanism includes indoor auxiliary heat exchanger, indoor auxiliary heat exchanger through first branch pipe with outdoor heat exchanger connects in parallel, be provided with first valve on the first branch pipe; the indoor auxiliary heat exchanger is arranged on the outer side of the indoor heat exchanger.

By adopting the technical scheme, the refrigerant inlet pipe and the refrigerant outlet pipe on the compressor are connected together through the reversing valve.

By adopting the technical scheme, the throttling part is a capillary tube or an expansion valve.

By adopting the technical scheme, two ends of the first branch pipe are respectively connected to the refrigerant pipeline between the reversing valve and the outdoor heat exchanger and the refrigerant pipeline between the outdoor heat exchanger and the throttling component.

By adopting the technical scheme, only one first valve is arranged on the first branch pipe.

By adopting the technical scheme, the indoor auxiliary heat exchanger is also connected to the indoor heat exchanger in parallel through the second branch pipe, and the first branch pipe and the second branch pipe are respectively provided with a valve.

By adopting the technical scheme, a first valve is arranged on a first branch pipe between the indoor auxiliary heat exchanger and the reversing valve; a second valve is arranged on a second branch pipe between the indoor auxiliary heat exchanger and the throttling component; a third valve is arranged on a second branch pipe between the indoor auxiliary heat exchanger and the reversing valve; a fourth valve is arranged on a first branch pipe between the indoor auxiliary heat exchanger and the throttling component; and a fifth valve is also arranged on a refrigerant pipeline between the outdoor heat exchanger and the reversing valve.

By adopting the technical scheme, the first valve, the second valve, the third valve, the fourth valve and the fifth valve are valves capable of controlling on-off and flow respectively.

By adopting the technical scheme, the indoor heat exchanger and the indoor auxiliary heat exchanger respectively comprise the refrigerant pipe and the heat exchange sheet contacted with the refrigerant pipe, wherein the density of the heat exchange sheet of the indoor auxiliary heat exchanger is smaller than that of the heat exchange sheet of the indoor heat exchanger.

By adopting the technical scheme, the density of the heat exchange fins of the indoor auxiliary heat exchanger is 30-70% of that of the heat exchange fins of the indoor heat exchanger.

The utility model has the advantages that: the utility model discloses under the dehumidification mode, open first valve, outdoor heat exchanger and indoor auxiliary heat exchanger all switch over to the condenser parallelly connected and heat, and indoor heat exchanger switches over to the evaporimeter refrigeration, and indoor auxiliary heat exchanger during operation heats the air that becomes cold because of the dehumidification, realizes the regulation of indoor temperature under the principle of air convection, can compensate because the dehumidification and the air temperature that is reduced to realize the function of constant temperature and humidity, moreover the utility model discloses do not increase any energy consumption equipment, can not produce any extra energy consumption and noise.

Drawings

Fig. 1 is a schematic structural view of an air conditioner according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of an air conditioner according to embodiment 2 of the present invention.

Fig. 3 is a schematic structural diagram of an air conditioning structure in an accelerated cooling mode according to embodiment 2 of the present invention.

Fig. 4 is a schematic structural diagram of an air conditioning structure in an accelerated heating mode according to embodiment 2 of the present invention.

The reference numbers in the figures illustrate: 11. a compressor; 12. an outdoor heat exchanger; 13. an indoor heat exchanger; 14. a refrigerant line; 15. a diverter valve; 16. a throttling member; 17. a filter; 21. an indoor auxiliary heat exchanger; 22. a first valve; 23. a first branch pipe; 31. a first valve; 32. a second valve; 33. a third valve; 34. a fourth valve; 35. a fifth valve; 36. a second branch pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Example 1

Referring to fig. 1, an embodiment 1 of the present invention provides an air conditioner, including a basic function structure and a temperature compensation mechanism, wherein the basic function structure includes a compressor 11, an outdoor heat exchanger 12, a throttling component 16, a filter 17 and an indoor heat exchanger 13, which are connected in sequence through a refrigerant pipeline 14, the filter 17 is connected to a refrigerant inlet pipe of the compressor 11, and the refrigerant inlet pipe and the refrigerant outlet pipe of the compressor 11 are connected together through a reversing valve 15. The flow direction of the refrigerant in the circulation pipeline can be changed through the reversing valve 15, so that the functions of the outdoor heat exchanger 12 and the indoor heat exchanger 13 are switched between the refrigeration function of the evaporator and the heating function of the condenser, preferably, the throttling part 16 is an expansion valve and can also be a capillary tube, and the utility model discloses it is not limited to this. For example, during air-conditioning cooling, the outdoor heat exchanger 12 is switched to condenser heating and the indoor heat exchanger 13 is switched to evaporator cooling, or during air-conditioning heating, the outdoor heat exchanger 12 is switched to evaporator cooling and the indoor heat exchanger 13 is switched to condenser heating.

In addition, the temperature compensation mechanism comprises an indoor auxiliary heat exchanger 21, the indoor auxiliary heat exchanger 21 is connected with the outdoor heat exchanger 12 in parallel through a first branch pipe 23, two ends of the first branch pipe 23 are respectively connected to a refrigerant pipeline 14 between the reversing valve 15 and the outdoor heat exchanger 12 and a refrigerant pipeline 14 between the outdoor heat exchanger 12 and the throttling component 16, a first valve 22 is arranged on the first branch pipe 23, the indoor auxiliary heat exchanger 21 is arranged on the outer side of the indoor heat exchanger 13, the indoor heat exchanger 13 and the indoor auxiliary heat exchanger 21 respectively comprise a refrigerant pipe and a heat exchange sheet contacted with the refrigerant pipe, and the density of the heat exchange sheet of the indoor auxiliary heat exchanger 21 is smaller than that of the heat exchange sheet of the indoor heat exchanger 13. More specifically, the density of the heat exchange fins of the indoor auxiliary heat exchanger 21 is 30% to 70% of the density of the heat exchange fins of the indoor heat exchanger 13, and preferably, the density of the heat exchange fins of the indoor auxiliary heat exchanger 21 is 50% of the density of the heat exchange fins of the indoor heat exchanger 13. When the air conditioner is in a dehumidification mode, the outdoor heat exchanger 12 is switched to be used for heating in a condenser, the indoor heat exchanger 13 is switched to be used for refrigerating in an evaporator, meanwhile, the first valve 22 is opened, the indoor auxiliary heat exchanger 21 is switched to be used for heating in the condenser, and at this time, the outdoor heat exchanger 12 and the indoor auxiliary heat exchanger 21 are connected in parallel for heating, namely, a part of heat is shunted to the indoor space. In this way, the air passing through the indoor heat exchanger 13 is first cooled to reach an oversaturated state, so that the water vapor in the air is condensed to achieve dehumidification, and then, the dehumidified cold air is heated to a proper temperature by the indoor auxiliary heat exchanger 21 and blown into the room while passing through the indoor auxiliary heat exchanger 21. Because the air blown to the room is heated to a proper comfortable temperature, discomfort can not be caused to the human body, the running speed of the fan can be increased, the air quantity is increased, the indoor air forms forced convection, and the dehumidification efficiency is greatly improved. Because the dehumidification efficiency is improved, the air can be dehumidified in a short time, and the energy is greatly saved. In addition, the temperature after dehumidification is heated, so that the room temperature is not reduced after dehumidification is finished, and discomfort is not caused to people. Additionally, the utility model discloses a scheme make full use of when the air conditioner moves self produced heat, need not extra energy, further improved energy-conserving effect.

More specifically, when in the dehumidification mode, the first valve 22 is opened, the reversing valve 15 is in the cooling state, the outdoor heat exchanger 12 is switched to the condenser heating mode, the indoor heat exchanger 13 is switched to the evaporator cooling mode, and the indoor auxiliary heat exchanger 21 is switched to the condenser heating mode, and the specific working process is as follows: gaseous refrigerant is sucked into the compressor to be compressed into high-temperature high-pressure gas, flows to the outdoor heat exchanger 12 through the reversing valve 15, is condensed and liquefied through the outdoor heat exchanger 12, emits a large amount of heat to the outdoor, is gradually condensed into high-pressure liquid refrigerant, is throttled and reduced in pressure through the expansion valve, is changed into low-temperature low-pressure gas-liquid mixture, flows into the indoor heat exchanger 13, is vaporized through the indoor heat exchanger 13 to absorb heat of indoor air, and the vaporized gaseous refrigerant returns to the compressor through the reversing valve 15 to be compressed continuously, so that circulating refrigeration is realized. Meanwhile, the first branch pipe 23 flows a part of high-temperature and high-pressure gaseous refrigerant into the indoor auxiliary heat exchanger 21 through the first valve 22, is condensed and liquefied by the indoor auxiliary heat exchanger 21, emits heat indoors, equivalently, shunts a part of outdoor heat to indoors, is used for heating the air dehumidified and cooled by the indoor heat exchanger 13, and then realizes the adjustment of the indoor temperature under the air convection principle.

Also when dehumidification mode, the utility model discloses when indoor set heat exchanger switches to the evaporimeter refrigeration, the fan of indoor set heat exchanger can fast run, and indoor auxiliary heat exchanger 21 switches when heating for the condenser, heats the air that becomes cold rapidly around indoor heat exchanger 13, compares in the dehumidification efficiency of traditional air conditioner, the utility model discloses showing under the condition that can control indoor temperature and having improved dehumidification efficiency.

It should be emphasized that, the utility model discloses the quantity of first valve 22 is one, and this first valve 22 can only be located on the first branch pipe 23 between reversing valve 15 and the indoor auxiliary heat exchanger 21, therefore does not set up first valve 22 on the first branch pipe 23 between indoor auxiliary heat exchanger 21 and the expansion valve, can make first branch pipe 23 communicate the pipeline 14 between outdoor heat exchanger 12 and the expansion valve all the time, guarantees the pressure balance between first branch pipe 23 and this pipeline 14 on the one hand, therefore can not cause the damage to first branch pipe 23 when opening and close first valve 22, for example when the pressure of first branch pipe 23 is very big originally, if open first valve 22 at this time, the condition of tube explosion can take place. On the other hand, the uniformity of the refrigerant in the first branch pipe 23 and the pipeline 14 is ensured.

The utility model discloses the structure is retrencied, does not increase any energy consumption equipment, consequently the utility model discloses can realize the function of constant temperature and humidity under the condition that does not have extra energy consumption and noise, use cost is low.

It should be noted that the utility model discloses preferred scheme is to adopt single outdoor heat exchanger 12, can also adopt a plurality of outdoor heat exchangers 12 of course, only need with a plurality of outdoor heat exchangers 12 go on side by side can, other structures and principle refer to the utility model discloses can.

Example 2

Referring to fig. 2, embodiment 2 of the present invention provides an air conditioner, which includes the components in embodiment 1, and the same components are denoted by the same reference numerals, and the details of this embodiment are not repeated here. However, the difference is that the indoor auxiliary heat exchanger 21 of the present invention is further connected in parallel to the indoor heat exchanger 13 through the second branch pipe 36, and the first branch pipe 23 and the second branch pipe 36 are respectively provided with a valve, specifically, the first branch pipe 23 between the indoor auxiliary heat exchanger 21 and the reversing valve 15 is provided with the first valve 31; a second valve 32 is arranged on a second branch pipe 36 between the indoor auxiliary heat exchanger 21 and the throttling part 16; a third valve 33 is arranged on a second branch pipe 36 between the indoor auxiliary heat exchanger 21 and the reversing valve 15; a fourth valve 34 is arranged on the first branch pipe 23 between the indoor auxiliary heat exchanger 21 and the throttling part 16; a fifth valve 35 is also provided on the refrigerant line 14 between the outdoor heat exchanger 12 and the reversing valve 15.

When in the cooling mode, referring to fig. 3, the fifth valve 35, the second valve 32, and the third valve 33 are all opened, the first valve 31 and the fourth valve 34 are all closed, the reversing valve 15 is in the cooling state, the outdoor heat exchanger 12 is switched to the condenser heating mode, and the indoor heat exchanger 13 and the indoor auxiliary heat exchanger 21 are switched to the evaporator cooling mode, and the specific working process is as follows: gaseous refrigerant is sucked into a compressor to be compressed into high-temperature high-pressure gas, flows to an outdoor heat exchanger 12 through a reversing valve 15, is condensed and liquefied through the outdoor heat exchanger 12, emits a large amount of heat to the outdoor, is gradually condensed into high-pressure liquid refrigerant, is throttled and decompressed through an expansion valve to become low-temperature low-pressure gas-liquid mixture, is divided into two paths, one path of the gas-liquid mixture flows into an indoor heat exchanger 13, is vaporized and absorbs heat, the other path of the gas-liquid mixture flows into an indoor auxiliary heat exchanger 21 through a second valve 32, is vaporized and absorbs heat, at this time, the indoor heat exchanger 13 and the indoor auxiliary heat exchanger 21 are refrigerated in parallel, and the gaseous refrigerant which is vaporized by absorbing the heat in the air through the indoor auxiliary heat exchanger 21 is converged at one position with the gaseous refrigerant which is vaporized by absorbing the heat in the, and returns to the compressor through the reversing valve 15 to continue to compress, thereby realizing the circulating refrigeration. Compare in the refrigeration efficiency of traditional air conditioner, the utility model discloses an indoor heat exchanger 13 and indoor supplementary heat exchanger 21 refrigerate side by side, have improved refrigeration efficiency greatly to reach quick refrigerated effect.

When in the heating mode, referring to fig. 4, the fifth valve 35, the second valve 32, and the third valve 33 are all opened, the first valve 31 and the fourth valve 34 are all closed, the reversing valve 15 is in the position of the heating state, the outdoor heat exchanger 12 is switched to the evaporator for cooling, and the indoor heat exchanger 13 and the indoor auxiliary heat exchanger 21 are switched to the condenser for heating, and the specific working process is as follows: gaseous refrigerant is sucked into the compressor and compressed into high-temperature high-pressure gas, the high-temperature high-pressure gaseous refrigerant is divided into two paths, one path of gaseous refrigerant is condensed and liquefied through the indoor heat exchanger 13 to emit a large amount of heat to heat indoor air, the other path of gaseous refrigerant flows into the indoor auxiliary heat exchanger 21 through the third valve 33 to be condensed and liquefied through the indoor auxiliary heat exchanger 21 to emit a large amount of heat to heat the indoor air, the indoor heat exchanger 13 and the indoor auxiliary heat exchanger 21 are connected in parallel to heat at this time, the condensed and liquefied liquid refrigerant passing through the indoor auxiliary heat exchanger 21 is converged together with the condensed and liquefied liquid refrigerant passing through the indoor heat exchanger 13 through the second valve 32, the converged liquid refrigerant is throttled and depressurized through the expansion valve, and is evaporated through the outdoor heat exchanger 12 to absorb heat of outdoor air and simultaneously becomes low-, the gaseous refrigerant returns to the compressor through the fifth valve 35 and the reversing valve 15, thereby realizing the circulation heating. Compare in the efficiency of heating of traditional air conditioner, the utility model discloses an indoor heat exchanger 13 heats with indoor supplementary heat exchanger 21 is parallelly connected, has improved the efficiency of heating greatly to reach the effect of heating fast.

When being in the dehumidification mode, first valve 31, fifth valve 35 and fourth valve 34 are all opened, and second valve 32 and third valve 33 are all closed, and switching-over valve 15 is in the position of refrigerating condition, and outdoor heat exchanger 12 switches to the condenser and heats, and indoor heat exchanger 13 switches to the evaporimeter refrigeration, and indoor supplementary heat exchanger 21 switches to the condenser and heats, about the utility model discloses the theory of operation and the process of the dehumidification mode of air conditioner have been elaborated in embodiment 1, consequently the utility model discloses do not describe here in detail. It should be noted that the present invention can adjust the flow of the refrigerant in the first branch pipe 23 and the pipeline 14 respectively by adjusting the opening degree of the first valve 31 and the fifth valve 35 according to the actual use requirement, and of course, other valves also have the functions of opening and closing the pipeline 14, controlling the flow direction and adjusting the flow.

In winter, the outdoor temperature is low, the outdoor heat exchanger 12 is easy to frost, and the use of the air conditioner is directly influenced by severe frosting. At present, the air defrosting mostly adopts a refrigeration mode, namely, an indoor heat exchanger 13 is used for refrigerating, an outdoor heat exchanger 12 is used for heating, and a frost layer is peeled off by utilizing the expansion deformation of the outdoor heat exchanger 12 after the temperature is increased, so that the aim of defrosting is fulfilled. However, the indoor temperature is low originally in winter, so that the indoor temperature is reduced lower during defrosting, and people can catch a cold easily. Therefore the utility model discloses when the needs defrosting, can with the parallelly connected heating of outdoor heat exchanger 12 and indoor auxiliary heat exchanger 21, shunt to indoor with partly heat in other words, when the heat that produces through the work of outdoor heat exchanger 12 reaches the defrosting effect, can heat the air that becomes cold through indoor heat exchanger 13 through the heat that indoor auxiliary heat exchanger 21 work produced, realize the regulation of indoor temperature under the principle of air convection, thereby the compensation is because the defrosting and the indoor air temperature that is reduced, reach the function of controlling indoor temperature. About the utility model discloses the working process of defrosting is similar with the dehumidification, can see the working process of dehumidification mode among embodiment 1, consequently the utility model discloses do not describe here any more.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. An air conditioner, characterized in that: the system comprises a basic function structure and a temperature compensation mechanism, wherein the basic function structure comprises a compressor, an outdoor heat exchanger, a throttling component, a filter and an indoor heat exchanger which are sequentially connected through a refrigerant pipeline, the filter is connected with a refrigerant inlet pipe of the compressor, the temperature compensation mechanism comprises an indoor auxiliary heat exchanger, the indoor auxiliary heat exchanger is connected with the outdoor heat exchanger in parallel through a first branch pipe, and a first valve is arranged on the first branch pipe; the indoor auxiliary heat exchanger is arranged on the outer side of the indoor heat exchanger.

2. The air conditioner according to claim 1, wherein: the refrigerant inlet pipe and the refrigerant outlet pipe of the compressor are connected together through a reversing valve.

3. The air conditioner according to claim 1, wherein: the throttling component is a capillary tube or an expansion valve.

4. The air conditioner according to claim 1, wherein: and two ends of the first branch pipe are respectively connected to a refrigerant pipeline between the reversing valve and the outdoor heat exchanger and a refrigerant pipeline between the outdoor heat exchanger and the throttling component.

5. The air conditioner according to claim 4, wherein: only one first valve is arranged on the first branch pipe.

6. The air conditioner according to claim 2, wherein: the indoor auxiliary heat exchanger is also connected to the indoor heat exchanger in parallel through a second branch pipe, and valves are respectively arranged on the first branch pipe and the second branch pipe.

7. The air conditioner according to claim 6, wherein: a first valve is arranged on a first branch pipe between the indoor auxiliary heat exchanger and the reversing valve; a second valve is arranged on a second branch pipe between the indoor auxiliary heat exchanger and the throttling component; a third valve is arranged on a second branch pipe between the indoor auxiliary heat exchanger and the reversing valve; a fourth valve is arranged on a first branch pipe between the indoor auxiliary heat exchanger and the throttling component; and a fifth valve is also arranged on a refrigerant pipeline between the outdoor heat exchanger and the reversing valve.

8. The air conditioner according to claim 7, wherein: the first valve, the second valve, the third valve, the fourth valve and the fifth valve are valves capable of controlling on-off and flow respectively.

9. The air conditioner according to claim 1, wherein: the indoor heat exchanger and the indoor auxiliary heat exchanger respectively comprise a refrigerant pipe and heat exchange sheets contacted with the refrigerant pipe, wherein the density of the heat exchange sheets of the indoor auxiliary heat exchanger is smaller than that of the heat exchange sheets of the indoor heat exchanger.

10. The air conditioner according to claim 9, wherein: the density of the heat exchange fins of the indoor auxiliary heat exchanger is 30% -70% of that of the heat exchange fins of the indoor heat exchanger.