CN212585113U - Cabinet type air handling unit - Google Patents
Cabinet type air handling unit Download PDFInfo
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- CN212585113U CN212585113U CN202020975674.4U CN202020975674U CN212585113U CN 212585113 U CN212585113 U CN 212585113U CN 202020975674 U CN202020975674 U CN 202020975674U CN 212585113 U CN212585113 U CN 212585113U
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Abstract
The utility model provides a cabinet type air treatment unit, advance tub, refrigeration exit tube, heating and advance tub, heating exit tube, indoor intake pipe, indoor outlet duct, outdoor intake pipe, outdoor outlet duct, refrigeration cabinet, equipment cabinet and heating cabinet including first circulating pipe, second circulating pipe, first change-over valve, second change-over valve, refrigeration, be provided with the refrigeration coil pipe in the refrigeration cabinet, be provided with heating coil pipe in the heating cabinet, be provided with expansion valve, compressor and controller in the equipment cabinet, be provided with temperature probe in the indoor intake pipe, the controller electricity respectively is connected temperature probe first change-over valve with the second change-over valve. The utility model discloses there is the function singleness in the current air conditioning unit of aim at solving, the long problem of idle time.
Description
Technical Field
The utility model belongs to the technical field of air conditioning unit, concretely relates to cabinet type air handling unit.
Background
Air conditioning systems are generally designed to meet the design parameters of air outside the chamber in winter and summer, and the load in the chamber is at the worst condition. The information shows that the energy consumption of an air conditioning system accounts for about 70% of the total energy consumption of a building, and the air conditioning units account for a considerable proportion of the total energy consumption.
The existing air conditioning unit is mainly used for refrigerating indoors, however, when the air temperature is low, the air conditioning unit can be idle due to the fact that the air conditioning unit cannot be used, equipment resource waste is caused, and meanwhile, mechanical equipment such as a compressor in the air conditioning unit can be corroded in the process of long-time non-use, and the problem of equipment damage is caused.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned exists, the utility model provides a cabinet type air handling unit to there is the function singleness in solving current air conditioning unit, the long problem of idle time, this cabinet type air handling unit can compromise the heating and the refrigeration operation of room air simultaneously, effective lifting means utilization ratio.
The utility model discloses a cabinet type air handling unit, which comprises a first circulating pipe, a second circulating pipe, a first conversion valve, a second conversion valve, a refrigeration inlet pipe, a refrigeration outlet pipe, a heating inlet pipe, a heating outlet pipe, an indoor inlet pipe, an indoor outlet pipe, an outdoor inlet pipe, an outdoor outlet pipe, a refrigeration cabinet, an equipment cabinet and a heating cabinet, wherein the refrigeration cabinet is provided with a refrigeration coil pipe, the heating cabinet is provided with a heating coil pipe, the equipment cabinet is provided with an expansion valve, a compressor and a controller, one end of the first circulating pipe is connected with one end of the refrigeration coil pipe, the other end of the first circulating pipe is connected with one end of the heating coil pipe, one end of the second circulating pipe is connected with the other end of the refrigeration coil pipe, the other end of the second circulating pipe is connected with the other end of the heating coil pipe, and the expansion valve is, the compressor is arranged on the second circulating pipe, a temperature probe is arranged on the indoor air inlet pipe, one end of the refrigerating inlet pipe is connected to one end of the refrigerating cabinet, the other end of the refrigerating inlet pipe is connected with the first switching valve, one end of the heating inlet pipe is connected with one end of the heating cabinet, the other end of the heating inlet pipe is connected with the first switching valve, the indoor air inlet pipe and the outdoor air inlet pipe are both connected with the first switching valve, the first switching valve has a first state and a second state, when the first switching valve is in the first state, the indoor air inlet pipe is communicated with the refrigerating inlet pipe, and the outdoor air inlet pipe is communicated with the heating inlet pipe; when the first switching valve is in a second state, the indoor air inlet pipe is communicated with the heating inlet pipe, and the outdoor air inlet pipe is communicated with the refrigerating inlet pipe; one end of the refrigerating outlet pipe is connected to the other end of the refrigerating cabinet, the other end of the refrigerating outlet pipe is connected with the second change-over valve, one end of the heating outlet pipe is connected with the other end of the heating cabinet, the other end of the heating outlet pipe is connected with the second change-over valve, the indoor outlet pipe and the outdoor outlet pipe are both connected with the second change-over valve, the second change-over valve has a third state and a fourth state, when the second change-over valve is in the third state, the indoor outlet pipe is communicated with the refrigerating outlet pipe, and the outdoor outlet pipe is communicated with the heating outlet pipe; when the second change-over valve is in a fourth state, the indoor air outlet pipe is communicated with the heating outlet pipe, and the outdoor air outlet pipe is communicated with the refrigerating outlet pipe; the controller is electrically connected to the temperature probe, the first switching valve and the second switching valve, respectively.
Further, the first switching valve comprises a first sliding block and a first pushing mechanism, the first pushing mechanism is connected with the first sliding block, a first channel, a second channel, a third channel and a fourth channel are arranged in the first sliding block, when the first switching valve is in a first state, the first channel is communicated with the indoor air inlet pipe and the refrigerating inlet pipe, and the second channel is communicated with the outdoor air inlet pipe and the heating inlet pipe; when the first switching valve is in a second state, the third channel is communicated with the indoor air inlet pipe and the heating inlet pipe; the fourth channel is communicated with the outdoor air inlet pipe and the refrigeration inlet pipe.
Further, the second change-over valve comprises a second sliding block and a second pushing mechanism, the second pushing mechanism is connected with the second sliding block, a fifth channel, a sixth channel, a seventh channel and an eighth channel are arranged in the second sliding block, when the second change-over valve is in a third state, the fifth channel is communicated with the indoor air outlet pipe and the refrigerating outlet pipe, and the sixth channel is communicated with the outdoor air outlet pipe and the heating outlet pipe; when the second switching valve is in a fourth state, the seventh channel is communicated with the indoor air outlet pipe and the heating outlet pipe; and the eighth channel is communicated with the outdoor air outlet pipe and the refrigeration outlet pipe.
The cabinet type air handling unit has the advantages that the expansion valve, the compressor and the controller are arranged in the independent equipment cabinet, so that the influence of external temperature on the operation of the equipment is avoided; when the refrigeration cabinet works, high-temperature refrigerant compressed by the compressor enters the heating coil for heat dissipation, the refrigerant after heat dissipation enters the refrigeration coil through the expansion valve to expand and absorb heat, the temperature of indoor inlet air is detected in time through the temperature probe, and if the indoor inlet air temperature is too high, the first conversion valve is in a first state, the second conversion valve is in a third state, so that the indoor air is cooled through the refrigeration cabinet; if the indoor intake air temperature is too low, enabling the first switching valve to be in the second state, and enabling the second switching valve to be in the fourth state, so that the indoor air is heated through the heating cabinet; the demands in different seasons are met, and the utilization rate is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a cabinet air handling unit.
Detailed Description
The utility model discloses a cabinet type air handling unit, this cabinet type air handling unit can compromise the heating and the refrigeration operation of room air simultaneously, effective lifting means utilization ratio.
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, only some embodiments, not all embodiments, of the present invention are described. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a cabinet type air handling unit, which includes a first circulation pipe 3, a second circulation pipe 2, a first switching valve 13, a second switching valve 30, a refrigeration inlet pipe 15, a refrigeration outlet pipe 22, a heating inlet pipe 17, a heating outlet pipe 23, an indoor inlet pipe 11, an indoor outlet pipe 31, an outdoor inlet pipe 12, an outdoor outlet pipe 32, a refrigeration cabinet 19, an equipment cabinet 16, and a heating cabinet 18, wherein the refrigeration cabinet 19 is provided with a refrigeration coil 20, the heating cabinet 18 is provided with a heating coil 21, the equipment cabinet 16 is provided with an expansion valve 4, a compressor 1, and a controller (not shown), one end of the first circulation pipe 3 is connected to one end of the refrigeration coil 20, the other end of the first circulation pipe 3 is connected to one end of the heating coil 21, one end of the second circulation pipe 2 is connected to the other end of the refrigeration coil 20, the other end of the second circulation pipe 2 is connected to the other end of the heating coil 21, the expansion valve 4 is provided on the first circulation pipe 3, the compressor 1 is arranged on the second circulating pipe 2, the indoor air inlet pipe 11 is provided with a temperature probe 10, one end of the refrigeration inlet pipe 15 is connected with one end of the refrigeration cabinet 19, the other end of the refrigeration inlet pipe 15 is connected with the first switching valve 13, one end of the heating inlet pipe 17 is connected with one end of the heating cabinet 18, the other end of the heating inlet pipe 17 is connected with the first switching valve 13, the indoor intake duct 11 and the outdoor intake duct 12 are both connected to the first switching valve 13, the first switching valve 13 having a first state and a second state, when the first switching valve 13 is in the first state, the indoor air inlet pipe 11 is communicated with the refrigerating inlet pipe 15, and the outdoor air inlet pipe 12 is communicated with the heating inlet pipe 17; when the first switching valve 13 is in the second state, the indoor air inlet pipe 11 is communicated with the heating inlet pipe 17, and the outdoor air inlet pipe 12 is communicated with the refrigerating inlet pipe 15; one end of the refrigeration outlet pipe 22 is connected to the other end of the refrigeration cabinet 19, the other end of the refrigeration outlet pipe 22 is connected to the second switching valve 30, one end of the heating outlet pipe 23 is connected to the other end of the heating cabinet 18, the other end of the heating outlet pipe 23 is connected to the second switching valve 30, both the indoor outlet pipe 31 and the outdoor outlet pipe 32 are connected to the second switching valve 30, the second switching valve 30 has a third state and a fourth state, when the second switching valve 30 is in the third state, the indoor outlet pipe 31 is communicated with the refrigeration outlet pipe 22, and the outdoor outlet pipe 32 is communicated with the heating outlet pipe 23; when the second switching valve 30 is in the fourth state, the indoor air outlet pipe 31 is communicated with the heating outlet pipe 23, and the outdoor air outlet pipe 32 is communicated with the cooling outlet pipe 22; the controller is electrically connected to the temperature probe 10, the first switching valve 13, and the second switching valve 30, respectively.
The first switching valve 13 comprises a first sliding block 7 and a first pushing mechanism 14, the first pushing mechanism 14 is connected with the first sliding block 7, a first channel 5, a second channel 6, a third channel 8 and a fourth channel 9 are arranged in the first sliding block 7, when the first switching valve 13 is in a first state, the first channel 5 is communicated with the indoor air inlet pipe 11 and the refrigerating inlet pipe 15, and the second channel 6 is communicated with the outdoor air inlet pipe 12 and the heating inlet pipe 17; when the first switching valve 13 is in the second state, the third passage 8 communicates the indoor intake pipe 11 and the heating intake pipe 17; the fourth passage 9 communicates the outdoor air intake duct 12 and the refrigerating intake duct 15.
The second switching valve 30 comprises a second slider 27 and a second pushing mechanism 29, the second pushing mechanism 29 is connected to the second slider 27, a fifth channel 25, a sixth channel 26, a seventh channel 24 and an eighth channel 28 are arranged in the second slider 27, when the second switching valve 30 is in a third state, the fifth channel 25 communicates the indoor air outlet pipe 31 and the cooling outlet pipe 22, and the sixth channel 26 communicates the outdoor air outlet pipe 32 and the heating outlet pipe 23; when the second switching valve 30 is in the fourth state, the seventh passage 24 communicates the indoor air outlet pipe 31 and the heating air outlet pipe 23; the eighth passage 28 communicates the outdoor outlet duct 32 and the refrigerant outlet duct 22.
In the cabinet type air handling unit, the expansion valve 4, the compressor 1 and the controller are arranged in the independent equipment cabinet 16, so that the influence of external temperature on the operation of the equipment is avoided; when the air conditioner works, high-temperature refrigerant compressed by the compressor 1 enters the heating coil 21 for heat dissipation, the refrigerant subjected to heat dissipation enters the refrigerating coil 20 through the expansion valve 4 for expansion and heat absorption, the temperature of indoor intake air is detected in time through the temperature probe 10, and if the indoor intake air temperature is too high, the first switching valve 13 is in a first state, the second switching valve 30 is in a third state, so that the indoor air is cooled through the refrigerating cabinet 19; if the indoor intake air temperature is too low, the first switching valve 13 is set to the second state, and the second switching valve 30 is set to the fourth state, so that the indoor air is heated by the heating cabinet 18; the demands in different seasons are met, and the utilization rate is improved.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (3)
1. A cabinet type air handling unit is characterized by comprising a first circulating pipe, a second circulating pipe, a first conversion valve, a second conversion valve, a refrigeration inlet pipe, a refrigeration outlet pipe, a heating inlet pipe, a heating outlet pipe, an indoor air inlet pipe, an indoor air outlet pipe, an outdoor air inlet pipe, an outdoor air outlet pipe, a refrigeration cabinet, an equipment cabinet and a heating cabinet, wherein a refrigeration coil is arranged in the refrigeration cabinet, a heating coil is arranged in the heating cabinet, an expansion valve, a compressor and a controller are arranged in the equipment cabinet, one end of the first circulating pipe is connected to one end of the refrigeration coil, the other end of the first circulating pipe is connected to one end of the heating coil, one end of the second circulating pipe is connected to the other end of the refrigeration coil, the other end of the second circulating pipe is connected to the other end of the heating coil, and the expansion valve is arranged on the first, the compressor is arranged on the second circulating pipe, a temperature probe is arranged on the indoor air inlet pipe, one end of the refrigerating inlet pipe is connected to one end of the refrigerating cabinet, the other end of the refrigerating inlet pipe is connected with the first switching valve, one end of the heating inlet pipe is connected with one end of the heating cabinet, the other end of the heating inlet pipe is connected with the first switching valve, the indoor air inlet pipe and the outdoor air inlet pipe are both connected with the first switching valve, the first switching valve has a first state and a second state, when the first switching valve is in the first state, the indoor air inlet pipe is communicated with the refrigerating inlet pipe, and the outdoor air inlet pipe is communicated with the heating inlet pipe; when the first switching valve is in a second state, the indoor air inlet pipe is communicated with the heating inlet pipe, and the outdoor air inlet pipe is communicated with the refrigerating inlet pipe; one end of the refrigerating outlet pipe is connected to the other end of the refrigerating cabinet, the other end of the refrigerating outlet pipe is connected with the second change-over valve, one end of the heating outlet pipe is connected with the other end of the heating cabinet, the other end of the heating outlet pipe is connected with the second change-over valve, the indoor outlet pipe and the outdoor outlet pipe are both connected with the second change-over valve, the second change-over valve has a third state and a fourth state, when the second change-over valve is in the third state, the indoor outlet pipe is communicated with the refrigerating outlet pipe, and the outdoor outlet pipe is communicated with the heating outlet pipe; when the second change-over valve is in a fourth state, the indoor air outlet pipe is communicated with the heating outlet pipe, and the outdoor air outlet pipe is communicated with the refrigerating outlet pipe; the controller is electrically connected to the temperature probe, the first switching valve and the second switching valve, respectively.
2. The cabinet air handling unit according to claim 1, wherein the first switching valve includes a first slider and a first pushing mechanism, the first pushing mechanism is connected to the first slider, the first slider is provided with a first channel, a second channel, a third channel and a fourth channel, when the first switching valve is in a first state, the first channel communicates the indoor air inlet pipe and the cooling inlet pipe, and the second channel communicates the outdoor air inlet pipe and the heating inlet pipe; when the first switching valve is in a second state, the third channel is communicated with the indoor air inlet pipe and the heating inlet pipe; the fourth channel is communicated with the outdoor air inlet pipe and the refrigeration inlet pipe.
3. The cabinet air handling unit according to claim 1, wherein the second switching valve includes a second slider and a second pushing mechanism, the second pushing mechanism is connected to the second slider, a fifth channel, a sixth channel, a seventh channel, and an eighth channel are disposed in the second slider, when the second switching valve is in a third state, the fifth channel communicates the indoor air outlet pipe and the cooling outlet pipe, and the sixth channel communicates the outdoor air outlet pipe and the heating outlet pipe; when the second switching valve is in a fourth state, the seventh channel is communicated with the indoor air outlet pipe and the heating outlet pipe; and the eighth channel is communicated with the outdoor air outlet pipe and the refrigeration outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975674.4U CN212585113U (en) | 2020-06-02 | 2020-06-02 | Cabinet type air handling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020975674.4U CN212585113U (en) | 2020-06-02 | 2020-06-02 | Cabinet type air handling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212585113U true CN212585113U (en) | 2021-02-23 |
Family
ID=74643642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020975674.4U Active CN212585113U (en) | 2020-06-02 | 2020-06-02 | Cabinet type air handling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212585113U (en) |
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2020
- 2020-06-02 CN CN202020975674.4U patent/CN212585113U/en active Active
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