CN213747101U - Air conditioner and heat pump all-in-one machine with fresh air, hot water and heating system - Google Patents
Air conditioner and heat pump all-in-one machine with fresh air, hot water and heating system Download PDFInfo
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- CN213747101U CN213747101U CN202022392304.0U CN202022392304U CN213747101U CN 213747101 U CN213747101 U CN 213747101U CN 202022392304 U CN202022392304 U CN 202022392304U CN 213747101 U CN213747101 U CN 213747101U
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Abstract
The utility model provides an air-conditioning heat pump all-in-one machine with fresh air, hot water and a heating system, which comprises a fresh air system, a hot water system and a heating system for cooling the air outlet of the fresh air system; the heating system comprises a compressor, a four-way valve, a condenser, an evaporator and a refrigeration expansion valve; the fresh air system comprises a fresh air fan and an exhaust fan; the D pipe orifice of the four-way valve is connected with an exhaust port of the compressor, and the C pipe orifice, the E pipe orifice and the S pipe orifice of the four-way valve are respectively connected with a condenser, an evaporator and a return air port of the compressor; the heating system realizes heating operation through the connection of an E port of the four-way valve, the evaporator, the second filter valve, the electromagnetic valve, the one-way valve, the drying filter valve, the heating expansion valve and the first filter valve in series in sequence through pipelines. The fresh air system can be matched with the fresh air system through the heating system, so that clean and germ-free fresh air is released while indoor temperature regulation is improved, and the use space has good purity.
Description
Technical Field
The utility model relates to a new trend technical field, concretely relates to air conditioner heat pump all-in-one with new trend, hot water and refrigerating system.
Background
The current new trend field of system adopts total heat exchange new trend system mostly, and it mainly relies on the difference in temperature of indoor outer environment, carries out the energy exchange and the heat recovery of certain limit. The total heat exchange fresh air system needs to be matched with an air conditioner in a room for use. In summer, the indoor air conditioner is turned on, the temperature is relatively low, the outdoor temperature is relatively high, a part of indoor air with relatively low temperature and fresh air with relatively high temperature introduced from the outdoor are subjected to heat exchange through the total heat exchange system, so that the fresh air introduced from the outdoor is cooled to a certain degree and then is sent into a user room for fresh air exchange; in winter, the indoor air conditioner is turned on, the temperature is opposite high, the outdoor temperature is relatively low, a part of air with relatively low indoor temperature and fresh air with relatively high temperature led from the outdoor are subjected to heat exchange through the total heat exchange system, so that the fresh air led from the outdoor is heated to a certain degree and then is sent into a room of a user for fresh air ventilation.
However, the indoor return air is not recycled, so that the available indoor return air is greatly wasted, the waste is serious, and the function is single.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the air-conditioning and heat-pump integrated machine with the fresh air and hot water systems is provided, the field of the current fresh air system is solved, a total heat exchange fresh air system is mostly adopted, and energy exchange and heat recovery with certain limits are carried out mainly by the temperature difference of indoor and outdoor environments. The total heat exchange fresh air system needs to be matched with an air conditioner in a room for use. In summer, the indoor air conditioner is turned on, the temperature is relatively low, the outdoor temperature is relatively high, a part of indoor air with relatively low temperature and fresh air with relatively high temperature introduced from the outdoor are subjected to heat exchange through the total heat exchange system, so that the fresh air introduced from the outdoor is cooled to a certain degree and then is sent into a user room for fresh air exchange; in winter, the indoor air conditioner is turned on, the temperature is opposite high, the outdoor temperature is relatively low, and a part of air with relatively low indoor temperature and fresh air with relatively high temperature introduced from the outdoor are subjected to heat exchange through the total heat exchange system, so that the fresh air introduced from the outdoor is heated to a certain degree and then is sent into a user room for fresh air exchange; however, the indoor return air is not recycled, so that the available indoor return air is greatly wasted, the waste is serious, and the function is single.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides an air-conditioning heat pump all-in-one machine with fresh air, hot water and a heating system, which comprises a fresh air system, a hot water system and a heating system for cooling the air outlet of the fresh air system; the heating system comprises a compressor, a four-way valve, a condenser, an evaporator and a refrigeration expansion valve; the fresh air system comprises a fresh air fan and an exhaust fan; the method is characterized in that: the fresh air system also comprises a total heat exchanger and a bypass air valve; the fresh air fan is provided with a first pipeline for introducing outdoor fresh air, the first pipeline is provided with a fifth pipeline connected with the first pipeline in parallel, the bypass air valve is arranged in the fifth pipeline, and the exhaust fan is provided with a fourth pipeline for exhausting indoor air to the outdoor;
one end of the evaporator is connected with an exhaust pipe of the compressor through a four-way valve, and the other end of the evaporator is connected with the condenser through an electromagnetic valve and a heating expansion valve;
one end of the condenser is connected with an air suction pipe of the compressor through a four-way valve and a hot water system, and the compressor, the evaporator, the heating expansion valve and the condenser are sequentially connected in series through pipelines;
the D pipe orifice of the four-way valve is connected with an exhaust port of the compressor, and the C pipe orifice, the E pipe orifice and the S pipe orifice of the four-way valve are respectively connected with a condenser, an evaporator and a return air port of the compressor;
the heating system realizes heating operation through the connection of an E port of the four-way valve, the evaporator, the second filter valve, the electromagnetic valve, the one-way valve, the drying filter valve, the heating expansion valve and the first filter valve in series in sequence through pipelines.
Preferably, the hot water system comprises a heat preservation water tank and a heating copper pipe for heating tap water in the heat preservation water tank.
Preferably, the fresh air system comprises a total heat exchanger; a first pipeline which is used for being communicated with an outdoor fresh air inlet, a second pipeline which is used for being communicated with an indoor air exhaust inlet, a third pipeline which is used for being communicated with an indoor fresh air outlet and a fourth pipeline which is used for being communicated with an outdoor air exhaust outlet are respectively arranged on the periphery of the total heat exchanger; the second pipeline is provided with a fresh air fan and an evaporator which are used for releasing fresh air at the matching position of the indoor air exhaust inlet, the fourth pipeline is provided with a condenser and is provided with an air exhaust fan which is used for exhausting indoor dirty air at the matching position of the outdoor air exhaust outlet.
Preferably, the heat preservation water tank is provided with a tap water inlet pipe and a domestic hot water outlet pipe.
Preferably, the device also comprises a frame; a first rack for placing a total heat exchanger, a second rack for placing a fresh air fan and an evaporator, a third rack for placing a compressor, a condenser and an exhaust fan and a fourth rack for placing a heat-preservation water tank are arranged in the racks;
outdoor dirty air sequentially passes through an outdoor fresh air inlet, a first pipeline communicated with the outdoor fresh air inlet, a left upper air inlet of the total heat exchanger, a right lower air outlet of the total heat exchanger, a third pipeline communicated with the right lower air outlet, an evaporator and a fresh air fan and is released into a room through an indoor fresh air outlet;
the dirty indoor air passes through the indoor air exhaust inlet, the second pipeline communicated with the indoor air exhaust inlet, the upper right air inlet of the total heat exchanger, the lower left air outlet of the total heat exchanger, the fourth pipeline communicated with the lower left air outlet, the condenser and the air exhaust fan in sequence and is exhausted outdoors through the outdoor air exhaust outlet.
Preferably, a high-efficiency HP filter assembly in butt joint with an outdoor fresh air inlet is arranged at a left upper air inlet of the total heat exchanger, and a primary filter assembly in butt joint with an indoor exhaust air inlet is arranged at a right upper air inlet of the total heat exchanger; the high-efficiency HP filtering component and the primary filtering component are symmetrical to each other.
Preferably, the rack further comprises a housing covering the first rack, the second rack, the third rack and the fourth rack.
Preferably, a control display screen is arranged on the outer side of the shell; the control display screen can control the compressor, the total heat exchanger, the exhaust fan, the condenser and the fresh air fan.
Preferably, the total heat exchanger is a total heat recovery exchanger.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has: the utility model discloses an air conditioner heat pump all-in-one with new trend, hot water and heating system has very obvious advantage, and the efficiency is high, and power consumption reduces, can realize indoor the new trend release after the conversion in the total heat exchanger and circulate indoor, and simultaneously, outdoor new trend carries out the heat exchange with indoor exhaust air, and outdoor new trend absorbs the heat of airing exhaust, energy saving and energy consumption; domestic water can be provided only by extracting from the heat preservation water tank, and the design is novel; especially, can be through heating system cooperation new trend system for indoor thermoregulation still releases clean germ-free new trend when improving, makes the usage space, has good pureness.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
Fig. 1 is a schematic diagram of an air-conditioning heat pump all-in-one machine with a fresh air and hot water system according to the present invention;
fig. 2 is a schematic structural view of an air conditioner and heat pump all-in-one machine with a fresh air and hot water system according to the present invention;
fig. 3 is a schematic structural view of the air-conditioning heat pump all-in-one machine with fresh air and hot water system according to the present invention, with the casing removed;
fig. 4 is a schematic perspective view of an air-conditioning and heat-pump all-in-one machine with a fresh air and hot water system according to the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the air-conditioning heat pump all-in-one machine with fresh air and hot water system of the present invention with the casing removed.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, the air-conditioning heat pump all-in-one machine with fresh air, hot water and heating system of the present invention has a fresh air system (not shown), which can filter the dirty air outside and release it to the room, and can suck the dirty air back and filter it, release fresh air to the room/discharge the return air to the outside; a hot water system (not shown) which can heat tap water in the thermal insulation water tank 10 through a heating copper pipe 103, wherein the obtained hot water can be used as domestic water, and high-temperature and high-pressure water vapor generated by the hot water system is supplied to a heating system (not shown) for refrigerant treatment; the refrigerating system (not marked in the figure) can convert high-temperature and high-pressure water vapor provided by a hot water system (not marked in the figure) to enable the inside of a heating system (not marked in the figure) to realize circulation operation, namely, the compressor 7 continuously works to continuously absorb heat of a low-pressure area into the condenser 8, the heat is transferred to a high-pressure area through the compressor 7 to be emitted indoors, so that the effect of adjusting the air temperature is achieved.
As shown in fig. 1-5, the air-conditioning heat pump all-in-one machine of the present invention has a fresh air, hot water and heating system, wherein the heating system includes a compressor 7, a four-way valve 71, a condenser 8, an evaporator 77 and a refrigeration expansion valve 75; the fresh air system comprises a fresh air fan 6 and an exhaust fan 9; the method is characterized in that: the fresh air system also comprises a total heat exchanger 5 and a bypass air valve 55; the fresh air fan 6 is provided with a first pipeline 51 for introducing outdoor fresh air, the first pipeline 51 is provided with a fifth pipeline 57 connected with the first pipeline 51 in parallel, the bypass air valve 50 is arranged in the fifth pipeline 57, and the exhaust fan 9 is provided with a fourth pipeline 54 for exhausting indoor air to the outdoor; one end of the evaporator 77 is connected with an exhaust pipe of the compressor 7 through a four-way valve 71, and the other end of the evaporator 77 is connected with the condenser 8 through an electromagnetic valve 78, a heating expansion valve 75; one end of the condenser 8 is connected with an air suction pipe of the compressor 7 through a four-way valve 71 and a hot water system, and the compressor 7, the evaporator 77, the heating expansion valve 75 and the condenser 8 are sequentially connected in series through a pipeline; the D pipe orifice of the four-way valve 71 is connected with an exhaust port of the compressor (7), and the C pipe orifice, the E pipe orifice and the S pipe orifice of the four-way valve (77) are respectively connected with a condenser (8), an evaporator (77) and a return air port of the compressor (7); the heating system realizes heating operation through the connection of the E port of the four-way valve 71, the evaporator 77, the second filter valve 76, the solenoid valve 78, the check valve 73, the drying filter valve 74, the heating expansion valve 75 and the first filter valve 72 in series in sequence through pipelines.
As shown in fig. 1-5, the air-conditioning heat pump all-in-one machine of the present invention has a fresh air, hot water and heating system, the hot water system includes a thermal insulation water tank 10 and a heating copper pipe 103 for heating tap water inside the thermal insulation water tank 10, the thermal insulation water tank 10 is provided with a tap water inlet pipe 101 and a domestic water hot water outlet pipe 102; the heat energy generated by the heating copper pipe 103 can be supplied to a heating system (not shown).
As shown in fig. 1-5, the utility model discloses an air-conditioning heat pump all-in-one machine with fresh air, hot water and heating system, the fresh air system includes a total heat exchanger 5; a first pipeline 51 which is used for being communicated with the outdoor fresh air inlet 11, a second pipeline 52 which is used for being communicated with the indoor exhaust air inlet 13, a third pipeline 53 which is used for being communicated with the indoor fresh air outlet 12 and a fourth pipeline 54 which is used for being communicated with the outdoor exhaust air outlet 14 are respectively arranged on the periphery of the total heat exchanger 5; a fresh air fan 6 and an evaporator 77 for releasing fresh air are arranged at the matching position of the second pipeline 52 and the indoor exhaust inlet 13, a condenser 8 is arranged at the fourth pipeline 54, and an exhaust fan 9 for exhausting indoor dirty air is arranged at the matching position of the fourth pipeline and the outdoor exhaust outlet 14; further comprising a frame 100; a first rack 1 for placing a total heat exchanger 5, a second rack 2 for placing a fresh air fan 6 and an evaporator 77, a third rack 3 for placing a compressor 7, a condenser 8 and an exhaust fan 9 and a fourth rack 4 for placing a heat preservation water tank 10 are arranged in the rack 100; preferably, a high-efficiency HP filter assembly 55 butted with an outdoor fresh air inlet 11 is arranged at a left upper air inlet 501 of the total heat exchanger 5, and a primary filter assembly 56 butted with an indoor exhaust air inlet 13 is arranged at a right upper air inlet 502 of the total heat exchanger 5; the high-efficiency HP filter assembly 55 and the primary filter assembly 56 are symmetrical to each other; the fresh air coming from the outdoor is filtered by the high-efficiency HP filtering component 55, so that the air in the total heat exchanger 5 is ensured to be purified after being filtered, and finally the released fresh air is ensured to be pure; further includes a housing 1234 covering the first frame 1, the second frame 2, the third frame 3, and the fourth frame 4; (ii) a A control display screen 1001 is arranged on the outer side of the shell 100; the control display screen 1001 can control the compressor 7, the total heat exchanger 5, the exhaust fan 9, the condenser 8 and the fresh air fan 6; the total heat exchanger 5 is a total heat recovery exchanger, and the total heat exchanger 5 of the filtering total heat recovery exchanger is adopted, so that the replacement and the maintenance are convenient.
The working principle is as follows: outdoor dirty air passes through outdoor new trend import 11 in proper order, first pipeline 51 with outdoor new trend import 11 intercommunication, the upper left air inlet 501 of total heat exchanger 5, the lower right air outlet 504 of total heat exchanger 5, the third pipeline 53 with lower right air outlet 504 intercommunication, evaporimeter 77 and new trend fan 6 just release to indoorly through indoor new trend export 12, when releasing, the evaporimeter 77 of heating system (not sign in the figure) can heat the new trend rapidly, make the new trend of release have the effect that improves indoor temperature.
The dirty indoor air passes through the indoor exhaust inlet 13, the second duct 52 communicated with the indoor exhaust inlet 13, the upper right inlet 502 of the total heat exchanger 5, the lower left outlet 503 of the total heat exchanger 5, the fourth duct 54 communicated with the lower left outlet 503, the condenser 8 and the exhaust fan 9 in sequence and is discharged to the outdoor through the outdoor exhaust outlet 14.
Compared with the prior art, the utility model, following beneficial effect has: the utility model discloses an air conditioner heat pump all-in-one with new trend, hot water and heating system has very obvious advantage, and the efficiency is high, and power consumption reduces, can realize indoor the new trend release after the conversion in the total heat exchanger and circulate indoor, and simultaneously, outdoor new trend carries out the heat exchange with indoor exhaust air, and outdoor new trend absorbs the heat of airing exhaust, energy saving and energy consumption; domestic water can be provided only by extracting from the heat preservation water tank, and the design is novel; especially, can be through heating system cooperation new trend system for indoor thermoregulation still releases clean germ-free new trend when improving, makes the usage space, has good pureness.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. An air-conditioning heat pump all-in-one machine with a fresh air system, a hot water system and a heating system comprises a fresh air system, a hot water system and a heating system for cooling the air outlet of the fresh air system; the heating system comprises a compressor (7), a four-way valve (71), a condenser (8), an evaporator (77) and a heating expansion valve (75); the fresh air system comprises a fresh air fan (6) and an exhaust air fan (9); the method is characterized in that: the fresh air system also comprises a total heat exchanger (5) and a bypass air valve (50); a first pipeline (51) for introducing outdoor fresh air is arranged on the fresh air fan (6), a fifth pipeline (57) connected with the first pipeline (51) in parallel is arranged on the first pipeline (51), the bypass air valve (50) is arranged in the fifth pipeline (57), and a fourth pipeline (54) for discharging indoor air to the outdoor is arranged on the exhaust fan (9); one end of the evaporator (77) is connected with an exhaust pipe of the compressor (7) through a four-way valve (71), and the other end of the evaporator (77) is connected with the condenser (8) through an electromagnetic valve (78), a heating expansion valve (75); one end of the condenser (8) is connected with an air suction pipe of the compressor (7) through a four-way valve (71) and a hot water system, and the compressor (7), the evaporator (77), the heating expansion valve (75) and the condenser (8) are sequentially connected in series through a pipeline; a D pipe orifice of the four-way valve (71) is connected with an exhaust port of the compressor (7), and a C pipe orifice, an E pipe orifice and an S pipe orifice of the four-way valve (71) are respectively connected with a condenser (8), an evaporator (77) and a return air port of the compressor (7); the heating system is sequentially connected in series through an E port of the four-way valve (71), the evaporator (77), the second filter valve (76), the electromagnetic valve (78), the one-way valve (73), the drying filter valve (74), the heating expansion valve (75) and the first filter valve (72) through pipelines to realize heating operation.
2. An air-conditioning and heat-pump integrated machine with fresh air, hot water and heating systems as claimed in claim 1, wherein: the hot water system comprises a heat-preservation water tank (10) and a heating copper pipe (103) for heating tap water in the heat-preservation water tank (10).
3. An air-conditioning and heat-pump integrated machine with fresh air, hot water and heating systems as claimed in claim 2, wherein: the fresh air system comprises a total heat exchanger (5); a first pipeline (51) which is communicated with the outdoor fresh air inlet (11), a second pipeline (52) which is communicated with the indoor exhaust air inlet (13), a third pipeline (53) which is communicated with the indoor fresh air outlet (12) and a fourth pipeline (54) which is communicated with the outdoor exhaust air outlet (14) are respectively arranged on the periphery of the total heat exchanger (5); the matching part of the second pipeline (52) and the indoor exhaust inlet (13) is provided with a fresh air fan (6) and an evaporator (77) which are used for releasing fresh air, the matching part of the fourth pipeline (54) is provided with a condenser (8) and the matching part of the fourth pipeline and the outdoor exhaust outlet (14) is provided with an exhaust fan (9) which is used for discharging indoor dirty air.
4. An air-conditioning and heat-pump integrated machine with fresh air, hot water and heating systems as claimed in claim 3, wherein: the heat preservation water tank (10) is provided with a tap water inlet pipe (101) and a domestic water hot water outlet pipe (102).
5. An air-conditioning and heat-pump integrated machine with fresh air, hot water and heating systems as claimed in claim 4, wherein: further comprising a frame (100); a first rack (1) for placing a total heat exchanger (5), a second rack (2) for placing a fresh air fan (6) and an evaporator (77), a third rack (3) for placing a compressor (7), a condenser (8) and an exhaust fan (9) and a fourth rack (4) for placing a heat-preservation water tank (10) are arranged in the rack (100); outdoor dirty air sequentially passes through an outdoor fresh air inlet (11), a first pipeline (51) communicated with the outdoor fresh air inlet (11), a left upper air inlet (501) of the total heat exchanger (5), a right lower air outlet (504) of the total heat exchanger (5), a third pipeline (53) communicated with the right lower air outlet (504), an evaporator (77) and a fresh air fan (6) and is released to the indoor space through an indoor fresh air outlet (12); the dirty indoor air passes through an indoor air exhaust inlet (13), a second pipeline (52) communicated with the indoor air exhaust inlet (13), a right upper air inlet (502) of the total heat exchanger (5), a left lower air outlet (503) of the total heat exchanger (5), a fourth pipeline (54) communicated with the left lower air outlet (503), the condenser (8) and the air exhaust fan (9) in sequence and is exhausted outdoors through an outdoor air exhaust outlet (14).
6. An air-conditioning and heat-pump integrated machine with fresh air, hot water and heating systems as claimed in claim 5, wherein: a high-efficiency HP filtering component (55) butted with an outdoor fresh air inlet (11) is arranged at a left upper air inlet (501) of the total heat exchanger (5), and a primary-effect filtering component (56) butted with an indoor exhaust air inlet (13) is arranged at a right upper air inlet (502) of the total heat exchanger (5); the high-efficiency HP filtering component (55) and the primary filtering component (56) are symmetrical to each other.
7. An air-conditioning and heat-pump integrated machine with fresh air, hot water and heating systems as claimed in claim 6, wherein: the device also comprises a shell (1234) which covers the first frame (1), the second frame (2), the third frame (3) and the fourth frame (4).
8. An air-conditioning and heat-pump integrated machine with fresh air, hot water and heating systems as claimed in claim 7, wherein: a control display screen (1001) is arranged on the outer side of the shell (1234); the control display screen (1001) can control the compressor (7), the total heat exchanger (5), the exhaust fan (9), the condenser (8) and the fresh air fan (6).
9. An air-conditioning and heat-pump integrated machine with fresh air, hot water and heating system according to claim 8, characterized in that: the total heat exchanger (5) is a total heat recovery exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392304.0U CN213747101U (en) | 2020-10-23 | 2020-10-23 | Air conditioner and heat pump all-in-one machine with fresh air, hot water and heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392304.0U CN213747101U (en) | 2020-10-23 | 2020-10-23 | Air conditioner and heat pump all-in-one machine with fresh air, hot water and heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213747101U true CN213747101U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022392304.0U Active CN213747101U (en) | 2020-10-23 | 2020-10-23 | Air conditioner and heat pump all-in-one machine with fresh air, hot water and heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213747101U (en) |
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2020
- 2020-10-23 CN CN202022392304.0U patent/CN213747101U/en active Active
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