CN211011626U - Heat pump type stepless temperature-adjustable dehumidifying unit - Google Patents
Heat pump type stepless temperature-adjustable dehumidifying unit Download PDFInfo
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- CN211011626U CN211011626U CN201921613377.9U CN201921613377U CN211011626U CN 211011626 U CN211011626 U CN 211011626U CN 201921613377 U CN201921613377 U CN 201921613377U CN 211011626 U CN211011626 U CN 211011626U
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- 238000005057 refrigeration Methods 0.000 claims abstract description 34
- 238000007791 dehumidification Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 40
- 239000007788 liquid Substances 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000005485 electric heating Methods 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
A heat pump type stepless temperature-adjustable dehumidifying unit comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises an organic box shell, a fan, a first heat exchanger, a second heat exchanger and a compressor are arranged in the organic box shell, the outdoor unit is provided with a third heat exchanger, and the compressor, the second heat exchanger, the third heat exchanger, a refrigeration expansion valve and the first heat exchanger are sequentially connected to form a direct expansion refrigeration system; the side wall of the case shell is provided with an air inlet, the top wall of the case shell is provided with an air supply outlet, the first heat exchanger is arranged in a manner of aligning to the air inlet, and the fan sends air in the case shell back to the room through the air supply outlet; the second heat exchanger and the third heat exchanger are respectively and correspondingly connected with a first adjusting fan and a second adjusting fan. The utility model discloses well direct utilization directly expands the system and need exhaust heat of condensation to heat indoor through the room air of cooling dehumidification, need not to prepare electric heating system in addition to can effectively improve energy utilization rate.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner and specifically relates to a heat pump type stepless temperature-regulating dehumidification unit is related to.
Background
But the dehumidification air conditioning unit that adjusts temperature wide application in fields such as electron, lathe, weaving, medicine, at present, to common dehumidification air conditioning unit that can adjust temperature, air conditioning system operates in the refrigeration state when indoor needs cooling dehumidification, utilizes indoor heat exchanger refrigeration dehumidification, and the air heating after reaching the requirement of indoor constant temperature and humidity and still need adjusting air's temperature and relative humidity, and this heating process generally utilizes the electrical heating to realize. From the above, it can be known that the conventional temperature-adjustable dehumidifying air conditioner needs to use a high-power electric heater for further temperature and humidity control in the processes of temperature reduction, dehumidification, heating and humidification, and the electric heater has a disadvantage of low energy utilization rate. Therefore, it is desirable to provide a novel unit capable of improving the current situation of low energy utilization rate of the existing temperature-adjustable dehumidifying air-conditioning unit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a heat pump type stepless dehumidification unit that adjusts temperature, can improve energy utilization and rate, improve the current situation that current dehumidification air conditioning unit that adjusts temperature energy utilization is low.
The purpose of the utility model is realized through the following technical scheme:
a heat pump type stepless temperature-adjustable dehumidifying unit comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises an organic box shell, a fan, a first heat exchanger, a second heat exchanger and a compressor are arranged in the organic box shell, the outdoor unit is provided with a third heat exchanger, the outlet end of the compressor is communicated with the first end of the second heat exchanger, the second end of the second heat exchanger is communicated with the first end of the third heat exchanger, the second end of the third heat exchanger is communicated with the first end of the first heat exchanger, the second end of the first heat exchanger is communicated with the inlet end of the compressor, and a refrigeration expansion valve is connected between the second end of the third heat exchanger and the first end of the first heat exchanger; the side wall of the case shell is provided with an air inlet, the top wall of the case shell is provided with an air supply outlet, the first heat exchanger is arranged in a manner of aligning to the air inlet, and the fan sends air in the case shell back to the room through the air supply outlet; the second heat exchanger is correspondingly connected with a first adjusting fan used for adjusting the air quantity passing through the second heat exchanger, and the third heat exchanger is correspondingly connected with a second adjusting fan used for adjusting the air quantity passing through the third heat exchanger.
Further, a four-way valve is also arranged in the housing shell, and the second end of the first heat exchanger, the second end of the second heat exchanger, the first end of the third heat exchanger and the inlet end of the compressor are respectively connected with different ports on the four-way valve; a heating expansion valve is further connected between the second end of the third heat exchanger and the first end of the first heat exchanger, a heating one-way valve is connected in parallel with the refrigerating expansion valve, the flowing direction of the heating one-way valve is from the first end of the first heat exchanger to the second end of the third heat exchanger, and the first heat exchanger is in a condensing and heating state when the heating one-way valve is conducted; the heating expansion valve is connected with a refrigeration one-way valve in parallel, the flow direction of the refrigeration one-way valve is opposite to that of the heating one-way valve, and the first heat exchanger is in an evaporation refrigeration state when the refrigeration one-way valve is conducted.
Specifically, a liquid storage tank is connected between the refrigeration expansion valve and the heating expansion valve, a gas-liquid separator is connected between the inlet end of the compressor and the four-way valve, and an oil separator is connected between the outlet end of the compressor and the first end of the second heat exchanger.
Specifically, the air intake of casing is located on the left side wall of casing, first heat exchanger with the second heat exchanger is in the internal vertical setting of casing, the second heat exchanger is located the right side of first heat exchanger, the second heat exchanger is close to the right side wall setting of casing, first adjusting fan locates the second heat exchanger left side.
Specifically, a filter is arranged between the air inlet of the case shell and the first heat exchanger.
The utility model discloses following beneficial effect has: the utility model relates to a heat pump type stepless temperature-adjustable dehumidifying unit, which comprises an indoor unit and an outdoor unit, wherein a first heat exchanger, a second heat exchanger and a compressor are arranged in the indoor unit, a third heat exchanger is arranged in the outdoor unit, a first adjusting fan and a second adjusting fan are respectively and correspondingly connected on the second heat exchanger and the third heat exchanger, the indoor air can be refrigerated and dehumidified during operation, in the process of refrigeration and dehumidification, the first heat exchanger is used as an evaporator to cool and dehumidify the indoor air, the second heat exchanger and the third heat exchanger are both used as condensers, the second heat exchanger can heat the indoor air after cooling and dehumidification again, the temperature of the treated air is increased, the air supply requirement is met, the redundant condensation heat is discharged outdoors through the third heat exchanger, and because the first adjusting fan and the second adjusting fan are arranged, the amount of air passing through the second heat exchanger and the third heat exchanger can be controlled by adjusting the first adjusting fan and the second adjusting fan to control the distributed diffused condensation heat between the first heat exchanger and the third heat exchanger, so that the temperature of indoor air can be regulated in a stepless manner. The utility model discloses well direct utilization directly expands the system and need exhaust heat of condensation to heat indoor through the indoor air of cooling dehumidification, need not to prepare electric heating system in addition to can effectively improve energy utilization, improve the current situation that current dehumidification air conditioning unit energy utilization is low that can adjust temperature, and can carry out infinitely variable control, control convenience to indoor air supply temperature.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic flow chart of the refrigerant in the refrigerating state of the present invention;
fig. 3 is a schematic flow chart of the refrigerant in the heating state of the present invention.
The specific structure in the figure illustrates that: 1 indoor unit, 101 four-way valve, 102 heating one-way valve, 11 blower, 12 first heat exchanger, 13 second heat exchanger, 131 first adjusting fan, 14 filter, 15 refrigeration expansion valve, 16 oil separator, 17 compressor, 18 gas-liquid separator, 19 liquid storage tank, 2 outdoor unit, 21 third heat exchanger, 211 second adjusting fan, 22 heating expansion valve, 23 refrigeration one-way valve.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments shown in the drawings.
Referring to fig. 1, a heat pump type stepless temperature-adjustable dehumidification unit comprises an indoor unit 1 and an outdoor unit 2, wherein the indoor unit 1 comprises an organic box shell, a fan 11, a first heat exchanger 12, a second heat exchanger 13 and a compressor 17 are arranged in the machine box shell, the outdoor unit 2 is provided with a third heat exchanger 21, an outlet end of the compressor 17 is communicated with a first end of the second heat exchanger 13, a second end of the second heat exchanger is communicated with a first end of the third heat exchanger 21, a second end of the third heat exchanger 21 is communicated with a first end of the first heat exchanger 12, a second end of the first heat exchanger 12 is communicated with an inlet end of the compressor 17, and a refrigeration expansion valve 15 is connected between the second end of the third heat exchanger 21 and the first end of the first heat exchanger 12; the side wall of the case shell is provided with an air inlet, the top wall of the case shell is provided with an air supply outlet, the first heat exchanger 12 is arranged in alignment with the air inlet, and the fan 11 sends air in the case shell back to the room through the air supply outlet; the second heat exchanger 13 is correspondingly connected with a first adjusting fan 131 for adjusting the air volume passing through the second heat exchanger 13, and the third heat exchanger 21 is correspondingly connected with a second adjusting fan 211 for adjusting the air volume passing through the third heat exchanger 21. Specifically, the first adjusting fan 131 and the second adjusting fan 211 both adopt stepless adjustment (for example, adopt EC fans), so that stepless adjustment of indoor temperature is conveniently realized.
Further, a four-way valve 101 is further arranged in the housing shell, and the second end of the first heat exchanger 12, the second end of the second heat exchanger 13, the first end of the third heat exchanger 21 and the inlet end of the compressor 17 are respectively connected with different ports on the four-way valve 101; a heating expansion valve 22 is further connected between the second end of the third heat exchanger 21 and the first end of the first heat exchanger 12, the refrigeration expansion valve 15 is connected in parallel with a heating check valve 102, the flowing direction of the heating check valve 102 is from the first end of the first heat exchanger 12 to the second end of the third heat exchanger 21, and the first heat exchanger 12 is in a condensation heating state when the heating check valve 102 is conducted; the heating expansion valve 22 is connected in parallel with a refrigeration check valve 23, the flow direction of the refrigeration check valve 23 is opposite to the flow direction of the heating check valve 102, and the first heat exchanger 12 is in an evaporation refrigeration state when the refrigeration check valve 23 is conducted. Through setting up cross valve 101, can make the utility model discloses carry out two kinds of processing methods to the room air, specifically for the refrigeration dehumidification mode with heat the mode, can be applicable to the demand in summer and two seasons in winter respectively, increase adaptability.
It should be noted that, through switching the direction of conduction of cross valve 101, can be with the utility model discloses switch in refrigeration mode and heating mode, realize the refrigeration or the heating to indoor air. The specific working principle of the two working modes is as follows:
when the utility model discloses when being in the refrigeration mode, refer to fig. 2, the refrigerant flows to second heat exchanger 13 (second heat exchanger 13 is as the condenser this moment) from compressor 17, and the third heat exchanger 21 of outdoor unit flows to again (third heat exchanger 21 is as the condenser this moment), and second heat exchanger 13 and third heat exchanger 21 are indoor air and outdoor air heating respectively, and the refrigerant enters into first heat exchanger 12 (first heat exchanger 12 is as the evaporimeter this moment) after passing through refrigeration expansion valve 15 again, and first heat exchanger 12 cools down the dehumidification to the indoor air. In the process of refrigeration, the indoor air is firstly cooled and dehumidified by the first heat exchanger 12 and then heated by the second heat exchanger 13, so that the temperature and humidity of the supplied air meet the requirements.
When the utility model discloses be in when heating the mode, refer to fig. 3, the refrigerant flows to second heat exchanger 13 (second heat exchanger 13 is as the condenser this moment) from compressor 17, flows to first heat exchanger 12 (first heat exchanger 12 is as the condenser this moment) through cross valve 101 again, and first heat exchanger 12 and second heat exchanger 13 are the room air heating respectively, and the refrigerant enters into third heat exchanger 21 (third heat exchanger 21 is as the evaporimeter this moment) after heating expansion valve 22 again, and third heat exchanger 21 cools down the outdoor air. In the heating process, the temperature of the indoor air is increased after the indoor air is heated by the first heat exchanger 12 and the second heat exchanger 13, so that the temperature of the processed indoor air meets the air supply requirement, the humidity of the indoor air is low in winter, dehumidification is not needed, and the relative humidity of the indoor air is reduced after the temperature of the indoor air is increased.
Further, a liquid storage tank 19 is connected between the refrigeration expansion valve 15 and the heating expansion valve 22, a gas-liquid separator 18 is connected between an inlet end of the compressor 17 and the four-way valve 101, and an oil separator 16 is connected between an outlet end of the compressor 17 and the first end of the second heat exchanger 13.
Referring to fig. 1, further, the air inlet of the chassis housing is disposed on a left side wall of the chassis housing, the first heat exchanger 12 and the second heat exchanger 13 are vertically disposed in the chassis housing, the second heat exchanger 13 is disposed on a right side of the first heat exchanger 12, the second heat exchanger 13 is disposed near a right side wall of the chassis housing, and the first adjusting fan 131 is disposed on a left side of the second heat exchanger 13. With the vertical left and right sides that sets up in quick-witted case casing of first heat exchanger 12 and second heat exchanger 13 respectively, under the refrigeration mode, indoor air all passes through the cooling dehumidification of first heat exchanger 12 after getting into quick-witted case casing by the air intake, flow up afterwards and be sent out under the extraction of fan 11, and not all through the heating of second heat exchanger 13, the air will mainly still need rely on the extraction of first adjusting fan 131 to provide power through second heat exchanger 13, with this setting can be convenient for adjust the amount of wind through the heating of second heat exchanger 13, realize the control to air supply temperature.
Further, a filter 14 is disposed between the air inlet of the chassis housing and the first heat exchanger 12. The filter 14 is provided to filter the indoor air and protect the inside of the indoor unit 1.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, that is, all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.
Claims (5)
1. The utility model provides a heat pump type stepless temperature adjustment dehumidification unit, includes indoor set (1) and outdoor unit (2), indoor set (1) includes organic case casing, its characterized in that: a fan (11), a first heat exchanger (12), a second heat exchanger (13) and a compressor (17) are arranged in the shell body of the machine case, a third heat exchanger (21) is arranged on the outdoor unit (2), the outlet end of the compressor (17) is communicated with the first end of the second heat exchanger (13), the second end of the second heat exchanger is communicated with the first end of the third heat exchanger (21), the second end of the third heat exchanger (21) is communicated with the first end of the first heat exchanger (12), the second end of the first heat exchanger (12) is communicated with the inlet end of the compressor (17), and a refrigeration expansion valve (15) is connected between the second end of the third heat exchanger (21) and the first end of the first heat exchanger (12); the side wall of the case shell is provided with an air inlet, the top wall of the case shell is provided with an air supply outlet, the first heat exchanger (12) is arranged in a manner of aligning to the air inlet, and the fan (11) sends air in the case shell back to the room through the air supply outlet; the second heat exchanger (13) is correspondingly connected with a first adjusting fan (131) used for adjusting the air volume passing through the second heat exchanger (13), and the third heat exchanger (21) is correspondingly connected with a second adjusting fan (211) used for adjusting the air volume passing through the third heat exchanger (21).
2. A heat pump type stepless temperature adjustable dehumidification unit as set forth in claim 1, characterized in that: a four-way valve (101) is further arranged in the case shell, and the second end of the first heat exchanger (12), the second end of the second heat exchanger (13), the first end of the third heat exchanger (21) and the inlet end of the compressor (17) are respectively connected with different ports on the four-way valve (101); a heating expansion valve (22) is further connected between the second end of the third heat exchanger (21) and the first end of the first heat exchanger (12), the refrigeration expansion valve (15) is connected in parallel with a heating one-way valve (102), the flowing direction of the heating one-way valve (102) is from the first end of the first heat exchanger (12) to the second end of the third heat exchanger (21), and the first heat exchanger (12) is in a condensing and heating state when the heating one-way valve (102) is conducted; the heating expansion valve (22) is connected with a refrigeration one-way valve (23) in parallel, the circulation direction of the refrigeration one-way valve (23) is opposite to that of the heating one-way valve (102), and the first heat exchanger (12) is in an evaporation refrigeration state when the refrigeration one-way valve (23) is communicated.
3. A heat pump type stepless temperature adjustable dehumidification unit as set forth in claim 2, wherein: a liquid storage tank (19) is connected between the refrigeration expansion valve (15) and the heating expansion valve (22), a gas-liquid separator (18) is connected between the inlet end of the compressor (17) and the four-way valve (101), and an oil separator (16) is connected between the outlet end of the compressor (17) and the first end of the second heat exchanger (13).
4. A heat pump type stepless temperature adjustable dehumidification unit as set forth in claim 1, characterized in that: the air inlet of the case shell is arranged on the left side wall of the case shell, the first heat exchanger (12) and the second heat exchanger (13) are vertically arranged in the case shell, the second heat exchanger (13) is arranged on the right side of the first heat exchanger (12), the second heat exchanger (13) is close to the right side wall of the case shell, and the first adjusting fan (131) is arranged on the left side of the second heat exchanger (13).
5. A heat pump type stepless temperature adjustable dehumidification unit as set forth in claim 1, characterized in that: a filter (14) is arranged between the air inlet of the machine box shell and the first heat exchanger (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921613377.9U CN211011626U (en) | 2019-09-25 | 2019-09-25 | Heat pump type stepless temperature-adjustable dehumidifying unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921613377.9U CN211011626U (en) | 2019-09-25 | 2019-09-25 | Heat pump type stepless temperature-adjustable dehumidifying unit |
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| CN211011626U true CN211011626U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921613377.9U Active CN211011626U (en) | 2019-09-25 | 2019-09-25 | Heat pump type stepless temperature-adjustable dehumidifying unit |
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| CN (1) | CN211011626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061114A (en) * | 2020-08-03 | 2022-02-18 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof and readable storage medium |
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2019
- 2019-09-25 CN CN201921613377.9U patent/CN211011626U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061114A (en) * | 2020-08-03 | 2022-02-18 | 广东美的制冷设备有限公司 | Air conditioner, control method thereof and readable storage medium |
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