CN112984793B - Heat pump unit and heat pump water heater for hanging installation - Google Patents
Heat pump unit and heat pump water heater for hanging installation Download PDFInfo
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- CN112984793B CN112984793B CN201911309136.XA CN201911309136A CN112984793B CN 112984793 B CN112984793 B CN 112984793B CN 201911309136 A CN201911309136 A CN 201911309136A CN 112984793 B CN112984793 B CN 112984793B
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- air outlet
- base
- heat exchanger
- heat pump
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- 238000009434 installation Methods 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000009423 ventilation Methods 0.000 claims abstract description 53
- 238000005192 partition Methods 0.000 claims description 10
- 239000003507 refrigerant Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000005485 electric heating Methods 0.000 description 17
- 239000000725 suspension Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000013016 damping Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000003287 bathing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
Abstract
The invention discloses a heat pump unit and a heat pump water heater for hanging installation. A heat pump set for hanging installation includes: the base is provided with a mounting part for hanging and mounting, and the bottom of the base is also provided with a ventilation opening for air inlet or air outlet; the housing is arranged on the base, and an installation cavity is formed between the housing and the base; the ventilation pipe is arranged on the housing and is used for air intake or air outlet; the switching component is used for selectively switching the communication between the ventilation opening or the ventilation pipe and the mounting cavity; the compressor is arranged on the base; the heat exchanger is arranged on the base; the fan is arranged on the base and used for driving air to enter the installation cavity and output after heat exchange through the heat exchanger. The indoor or outdoor air source is selected according to the requirement, so that the heat exchange efficiency of the heat pump unit is improved, and the energy efficiency of the heat pump water heater is improved.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a heat pump unit and a heat pump water heater for hanging installation.
Background
At present, the water heater is a household appliance commonly used in daily life of people. The water heater is generally classified into an electric water heater, a gas water heater and a heat pump water heater, and the heat pump water heater is widely popularized and used because of high energy efficiency.
A heat pump water heater generally includes a heat pump unit consisting of a compressor, an evaporator and a blower, and a water tank generally including a housing, an inner container and an evaporator. The heat pump unit of the conventional heat pump water heater is usually placed outdoors, but the installation requirement cannot be met for high-rise buildings. Chinese patent number 201110059903.3 discloses a semi-hidden assembled air source heat pump water heater, which adopts a hanging installation mode, and an air inlet and an air outlet are arranged on a heat pump unit to meet the heat exchange requirement of an evaporator.
However, in the actual use process, the heat pump unit is arranged in a room and hung, and in the operation process, the indoor or outdoor air is sucked and exchanges heat with the evaporator under the action of the fan. The air flow mode is limited to the heat exchange between indoor air or outdoor air and the heat exchanger, and the air source for heat exchange cannot be selected according to the actual use condition. In view of this, how to design a heat pump water heater capable of selecting air source to exchange heat according to the requirement is the technical problem to be solved by the invention.
Disclosure of Invention
The invention provides a heat pump unit and a heat pump water heater for hanging installation, which can realize that the heat pump unit selects indoor or outdoor air sources according to requirements, and improve the heat exchange efficiency of the heat pump unit so as to improve the energy efficiency of the heat pump water heater.
In order to achieve the technical purpose, the invention is realized by adopting the following technical scheme:
in one aspect, the present invention provides a heat pump unit for hanging installation, comprising:
the base is provided with a mounting part for hanging and mounting, and the bottom of the base is also provided with a ventilation opening for air inlet or air outlet;
the housing is mounted on the base, and a mounting cavity is formed between the housing and the base;
the ventilation pipe is arranged on the housing and is used for air intake or air outlet;
the switching assembly is used for selectively switching the ventilation opening or the ventilation pipe to be communicated with the mounting cavity;
a compressor mounted on the base;
a heat exchanger mounted on the base;
the fan is arranged on the base and used for driving air to enter the installation cavity and output after heat exchange of the heat exchanger.
Further, the ventilation opening comprises an air outlet and an air inlet, the air outlet and the air inlet are both arranged on the lower surface of the base, the air outlet is positioned on the air outlet side of the heat exchanger, and the air inlet is positioned on the air inlet side of the heat exchanger;
the heat pump unit for hanging installation further comprises:
the air guide cover is arranged on the base and is positioned in the installation cavity, the air guide cover covers the air outlet side of the heat exchanger, and an air outlet cavity is formed between the air guide cover and the heat exchanger;
an air inlet channel and an air outlet channel are arranged in the ventilation pipe, and the ventilation pipe is positioned at the air outlet side of the heat exchanger;
the air inlet channel and the air inlet are respectively communicated with the installation cavity, and the air outlet channel and the air outlet are respectively communicated with the air outlet cavity;
the switching assembly includes:
the first baffle is rotatably arranged on the base and used for selectively shielding the air outlet or the inlet of the air outlet channel;
the second baffle is rotatably arranged on the base and used for switching on and off the air inlet.
Further, a notch structure is arranged on one side of the base, and the first baffle is arranged in the notch structure; the notch structure is located at the position of the lower surface of the base to form the air outlet, and the position of the notch structure located on the side wall of the base is in butt joint with the air outlet channel.
Further, a partition plate is arranged in the ventilation pipe, and the partition plate divides the ventilation pipe into an air inlet channel and an air outlet channel; one end of the partition plate is abutted against the base and is positioned above the notch structure.
Further, the surface of the air guide cover opposite to the air inlet channel forms an air guide surface, and the air guide surface extends upwards to the upper edge of the heat exchanger in an inclined manner along the air outlet direction of the air inlet channel.
Further, a sunken water receiving disc is formed on the base, the heat exchanger is arranged in the water receiving disc, and the water receiving disc is located between the air inlet and the air outlet.
Further, the switching assembly further includes:
the first motor is arranged on the base and used for driving the first baffle to rotate;
and the second motor is arranged on the base and used for driving the second baffle to rotate.
Further, the ventilation opening comprises an air outlet, the air outlet is arranged on the lower surface of the base and is communicated with the installation cavity, the ventilation pipe comprises an air outlet pipe, and the air outlet pipe is communicated with the installation cavity and is positioned on the air outlet side of the heat exchanger;
the switching assembly includes:
the first air door is arranged in the air outlet and used for switching the air outlet;
the second air door is arranged in the air outlet pipe and used for switching the air outlet pipe.
Further, the ventilation opening comprises an air inlet which is arranged on the lower surface of the base and communicated with the installation cavity, and the ventilation pipe comprises an air inlet pipe which is communicated with the installation cavity and positioned on the air inlet side of the heat exchanger;
the switching assembly includes:
the third air door is arranged in the air inlet and used for switching the air inlet;
and the fourth air door is arranged in the air inlet pipe and used for switching the air inlet pipe.
In another aspect, the invention also provides a heat pump water heater, which comprises a water tank, wherein an auxiliary heat exchanger is arranged in the water tank, the heat pump water heater further comprises the heat pump unit, and a compressor and a heat exchanger of the heat pump unit are connected with the auxiliary heat exchanger to form a refrigerant loop.
Compared with the prior art, the invention has the advantages and positive effects that: through set up air intake and air outlet on the base to satisfy the indoor air cycle of bathing and flow into installation cavity and heat exchanger and exchange heat, simultaneously, the ventilation pipe can satisfy again that outdoor air cycle flows into installation cavity and heat exchanger and exchange heat, and in the in-service use, switch control indoor or outdoor air and participate in the heat transfer through switching component, realize the air source of selecting the heat transfer according to different service conditions, in order to improve heat exchange efficiency and user experience nature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the solutions of the prior art, a brief description will be given below of the drawings that are required for the embodiments or the description of the prior art, it being apparent that the drawings in the following description are some embodiments of the present invention and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a reference diagram showing the usage state of a heat pump unit in one embodiment of a heat pump water heater according to the present invention;
FIG. 2 is a schematic view of a water tank in an embodiment of the heat pump water heater of the present invention;
FIG. 3 is a schematic view of a heat pump unit in an embodiment of the heat pump water heater of the present invention;
FIG. 4 is one of the partial exploded views of FIG. 3;
FIG. 5 is a second partial exploded view of FIG. 3;
FIG. 6 is a schematic view of the base of FIG. 3;
FIG. 7 is a schematic view of a heat pump unit in another embodiment of a heat pump water heater according to the present invention;
FIG. 8 is one of the cross-sectional views of a heat pump unit in one embodiment of the heat pump water heater of the present invention;
FIG. 9 is a second cross-sectional view of a heat pump unit in an embodiment of the heat pump water heater of the present invention;
FIG. 10 is one of the schematic structural views of the vent of FIG. 9;
FIG. 11 is a second schematic view of the vent tube of FIG. 9;
FIG. 12 is a third cross-sectional view of a heat pump unit in one embodiment of the heat pump water heater of the present invention;
FIG. 13 is an exploded view of a fan housing in an embodiment of a heat pump water heater according to the present invention;
FIG. 14 is a cross-sectional view of an assembled base and air guide housing of a heat pump water heater according to an embodiment of the present invention;
FIG. 15 is an assembly view of a heat exchanger and an electric heating element in an embodiment of a heat pump water heater according to the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in the description of the present invention, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
First embodiment as shown in fig. 1 and 2, the present invention provides a heat pump water heater, which generally includes a heat pump unit 100 and a water tank 200. The heat pump unit 100 includes a base, a compressor, a heat exchanger, a throttle device, and a fan mounted on the base, and the water tank 200 includes a housing (not shown), a liner 201, and an auxiliary heat exchanger 202. The compressor, the heat exchanger, the throttling device and the auxiliary heat exchanger 202 are connected to form a refrigerant circulation flow path, and water in the liner 201 is heated by utilizing the principle of a heat pump. The above is a basic configuration of a conventional heat pump water heater, and is not limited and described in detail herein.
In the actual installation and use process, the heat pump unit 100 is fixed on the indoor roof in a hanging installation manner and is hidden and arranged on the ceiling 1000. The tank 200 is installed in a conventional manner for use in a user's home.
In order to meet the requirement of hanging and hiding the heat pump unit 100, corresponding improvements are required in terms of layout of relevant components inside the heat pump unit, hanging and installing of the whole equipment, and air circulation flow mode, and the like, and the specific description is as follows with reference to the accompanying drawings.
In the second embodiment, as shown in fig. 3 and 4, in order to effectively reduce the overall height of the heat pump unit, the heat pump unit is installed in a suspended ceiling in a hidden manner. The heat pump unit includes: base 1, compressor 2, heat exchanger 3 and fan 4. In order to meet the requirement of hanging and installing the base 1, an installing part 10 for hanging and installing is arranged on the base 1; the heat exchanger 3 is arranged on the base 1; the fan 4 is used for driving the air flow to exchange heat through the heat exchanger 3. Wherein, in order to effectively reduce the overall height of the heat pump unit, the compressor 2 is transversely arranged and mounted on the base 1; the fan 4 and the heat exchanger 3 are located on the same side of the compressor 2.
Specifically, the compressor 2 in the heat pump unit is laterally arranged and fixedly mounted on the base 1. Thus, the height space occupied by the compressor 2 can be effectively reduced, so that the overall height of the heat pump unit can be effectively reduced. Meanwhile, the fan 4 and the heat exchanger 3 are located on the same side of the compressor 2, so that the fan 4 mainly blows or sucks air to the heat exchanger 3, the overall size of the fan 4 is reduced, and the increase of the height size of the heat pump unit caused by the fan 4 is avoided.
In some embodiments, for convenience in mounting the compressor 2, as shown in fig. 6, one end of the base 1 is provided with a mounting platform 11, and the compressor 2 is disposed on the mounting platform 11. Specifically, the compressor 2 is mounted and fixed laterally on a mounting platform 11, the mounting platform 11 being located at one end of the base 1 such that the compressor 2 is disposed at a corresponding end position of the base 1. Preferably, in order to reduce the vibration influence generated by the operation of the compressor 2, the mounting platform 11 is provided with a mounting bracket 12, and a vibration damping pad 13 is further arranged between the mounting bracket 12 and the mounting platform 11, and the compressor 2 is mounted on the mounting bracket 12.
For the mounting bracket 12, in order to cooperate with the vibration reduction pad 13 to achieve a better vibration reduction effect, two mounting brackets 12 arranged side by side are arranged on the mounting platform 11, the mounting bracket 12 is provided with a fixing part 121 and raising parts 122 distributed on two sides of the fixing part 121, the fixing part 121 is fixed on the mounting platform 11, and the vibration reduction pad 13 is arranged between the raising parts 122 and the mounting platform 11; wherein the compressor 2 is fixed to the kick portion 122. Specifically, the mounting bracket 12 is usually made of a sheet metal part, and has a certain elasticity, and the compressor 2 is mounted on the raising portion 122, and the bottom of the raising portion 122 is pressed on the vibration-damping pad 13, so that the effect of damping the compressor 2 can be better achieved by utilizing the elasticity of the mounting bracket 12 and the elasticity of the vibration-damping pad 13. Meanwhile, in a certain embodiment, in order to enhance the structural strength of the base 1 to mount the fixed compressor 2, the lower surface of the mounting platform 11 is provided with a plurality of reinforcing ribs 111 arranged in a staggered manner.
In some embodiments, in order to facilitate installation of the heat exchanger 3 and meet the overall height requirement of the apparatus, the other end of the base 1 forms a water tray 14, and the heat exchanger 3 is disposed above the water tray 14. Specifically, in the actual use process, the heat exchanger 3 is used for evaporating and exchanging heat, so that condensed water is generated on the surface of the heat exchanger 3, and the condensed water flows into the water receiving tray 14 below the heat exchanger 3 under the action of gravity. The drain pan 14 is provided with a drain pipe 141, and is discharged to the outside by the drain pipe 141. Wherein, form the water collector 14 of undercut on the base 1 to make the heat exchanger 3 set up in water collector 14, in this way, can reduce the installation height of heat exchanger 3 on the base 1 more effectively, thus can adopt the heat exchanger 3 of bigger size in order to improve heat exchange efficiency.
As a preferred embodiment, in order to effectively improve the heat exchanging capability of the heat exchanger 3 without increasing the height, the length dimension of the heat exchanger 3 is larger than the height dimension of the heat exchanger 3, so that the heat exchanger 3 is distributed along the length direction of the base 1, and the heat exchanging area of the heat exchanger 3 is fully increased by utilizing the length direction of the base 1.
In the third embodiment, as shown in fig. 7, since the heat pump unit is hung on the roof of the room, in order to facilitate the operator to maintain the electric control device later, the upper surface of the base 1 forms an upper mounting surface, and the lower surface of the base 1 forms a lower mounting surface for the base 1. Wherein, the compressor 2, the heat exchanger 3 and the fan 4 are arranged on the upper mounting surface of the base 1; and for the electric control board 5 for controlling the operation of the heat pump unit, the electric control board 5 is installed on the lower installation surface of the base 1.
After the heat pump unit is hung and installed, as the electric control board 5 is installed on the lower installation surface of the base 1, when the electric control board 5 needs to be maintained, only the suspended ceiling needs to be opened to maintain the electric control board 5 at the lower part of the base 1. For the specific configuration of the electric control board 5, reference may be made to a control circuit board in a conventional heat pump unit, which is not limited and described herein.
As a preferred embodiment, a mounting groove 15 is formed on the lower mounting surface of the base 1, and the electronic control board 5 is disposed in the mounting groove 15; the base 1 is further provided with a cover plate (not shown) for opening and closing the mounting groove 15. Specifically, the electric control board 5 is conveniently installed and fixed by forming the installation groove 15 on the lower installation surface of the base 1, so that the electric control board 5 is embedded in the base 1. Meanwhile, the installation groove 15 is covered by the cover plate, and the electric control plate can be protected.
In some embodiments, the compressor 2 may also be disposed at a position above the mounting groove 15, so that wiring between the electronic control board 5 and the top compressor 2 is facilitated. And for the reinforcing rib 111, which is formed in the mounting groove 15, the electric control board 5 is supported by the reinforcing rib 111, on one hand, the electric control board 5 is conveniently fixed on the reinforcing rib 111 through screws, on the other hand, the electric control board 5 is supported by the reinforcing rib 111, and the reinforcing rib 111 is also beneficial to the electric control board 5 to emit the released heat so as to ensure the reliable operation of the electric control board.
In the fourth embodiment, since the heat pump unit needs to be hung and installed on the indoor roof, and the vibration generated by the compressor 2 or the fan 4 is easily transmitted to the roof wall to cause serious noise during the operation of the heat pump unit, in order to solve the above problem, as shown in fig. 3, the base 1 is hung and installed on the indoor roof by the hanging rod 6, and the hanging rod 6 is connected with the installation part 10; also, an elastic damper 60 is provided between the lower end portion of the suspension lever 6 and the mounting portion 10.
Specifically, after the heat pump unit is suspended on the roof by the suspension rod 6, the elastic damper 60 is sandwiched between the lower end portion of the suspension rod 6 and the mounting portion 10. Thus, during the operation of the heat pump unit, most of the vibration generated by the compressor 2 or the fan 4 is absorbed by the elastic vibration absorbing member 60, so that the vibration is reduced or prevented from being transmitted to the roof through the suspension rod 6, and the vibration and noise influence of the vibration of the heat pump unit on the indoor building is further reduced, so that the user experience is improved. The elastic vibration damper 60 may be a spring which is sleeved on the suspension rod 6 as a main body; alternatively, the elastic damping member 60 may be a rubber sleeve fitted over the suspension rod 6.
The entity of the mounting portion 10 may be in the form of a lifting lug, so that an insertion hole (not labeled) is formed in the upper portion of the mounting portion 10, and the lower end portion of the suspension rod 6 is inserted into the insertion hole. Specifically, a plurality of mounting portions 10 may be disposed on the circumference of the base 1 as needed, and in fig. 3, the mounting portions 10 are disposed at four corners of the base 1, respectively, the lower end portions of the hanger rods 6 are inserted into the insertion holes to hang the base 1, and the upper end portions of the hanger rods 6 are fixedly mounted on the roof.
In addition, an upturn structure (not labeled) is provided at the upper portion of the mounting portion 10, and an insertion hole is provided in the upturn structure. The mounting portion 10 can be made to abut against the elastic damper 60 by the upturn structure to increase the contact area for more stable and reliable mounting.
In one embodiment, the lower portion of the suspension rod 6 is provided with threads, the lower portion of the suspension rod 6 is connected with an adjusting nut 61 in a threaded manner, the adjusting nut 61 is located below the upturn structure, and the elastic vibration damper 60 is sandwiched between the adjusting nut 61 and the upturn structure. In the actual installation process, the adjusting nut 61 is rotated to adjust the height position of the adjusting nut on the hanging rod 6, so that the installation position of the adjusting base 1 is realized, and the operator can conveniently and efficiently install and adjust the adjusting base on site.
In some embodiments, threads may also be provided on the upper portion of the hanger bar 6, with a fastening nut 62 threaded on the upper portion of the hanger bar 6; the upper end of the hanging rod 6 is provided with a taper bolt, the hanging rod 6 is sleeved with an expansion pipe 63, and the expansion pipe 63 is positioned above the fastening nut 62. Specifically, the upper end of the suspension rod 6, the fastening nut 62 and the expansion pipe 63 form an expansion bolt structure, so that the suspension rod 6 can be directly and fixedly installed in the concrete of the roof without additional installation function parts, the installation process is simplified, and the installation cost is reduced.
In the fifth embodiment, as shown in fig. 4, in order to reduce the adverse effect of noise generated by the operation of the compressor 2 and the fan 4 on the user. The base 1 is further provided with a cover 7, the cover 7 being mounted on the base 1 and covering the compressor 2, the heat exchanger 3 and the fan 4. Specifically, a mounting cavity is formed between the housing 7 and the base 1, and the compressor 2, the heat exchanger 3 and the fan 4 are all located in the relatively closed mounting cavity. In this way, the noise generated during the operation of the compressor 2 and the fan 4 is effectively limited from being transmitted outwards by the housing 7, so as to reduce the operation noise. Preferably, the cover 7 is a cover with sound insulation function, for example: soundproof cotton may be disposed in the housing 7 to provide better soundproof effect
As a preferred embodiment, since the noise generated during the operation of the compressor 2 is greater, an auxiliary sound-proof cover 21 is also provided in the installation cavity to cover the compressor 2. Specifically, the auxiliary sound-proof housing 21 is housed in the casing 7, and noise generated by the compressor 2 is firstly subjected to sound-proof treatment by the auxiliary sound-proof housing 21, and then further subjected to sound-proof treatment by the casing 7, so as to reduce the influence of noise on a user to the greatest extent.
In some embodiments, a recess 71 extending toward the base 1 is provided on the casing 7, the compressor 2 is located at one side of the recess 71, and the heat exchanger 3 and the fan 4 are located at the other side of the recess 71. Specifically, the concave structure 71 makes the area of the enclosure 7 for wrapping the auxiliary sound insulation cover 21 larger, which is more beneficial to the effects of sound insulation and noise reduction. Moreover, as the concave structure 71 can separate the compressor 2 from the heat exchanger 3 and the fan 4, the air flow generated by the fan 4 can more effectively perform heat exchange treatment on the heat exchanger 3, and the air flow is reduced to the end part of the base 1 where the compressor 2 is installed, so that the heat exchange efficiency of the air flow is improved.
In the sixth embodiment, based on the above technical solution, optionally, because the heat pump unit is hung on a roof, in order to ensure that the heat exchanger 3 can exchange heat efficiently, an air source for exchanging heat with the heat exchanger 3 may be indoor air or outdoor air, which is described below with reference to the accompanying drawings.
1. In the case of using indoor air as an air source for heat exchange by the heat exchanger 3, as shown in fig. 8, an air inlet 1001 and an air outlet 1002 are provided in the base 1. The fan 4 is used for driving air to enter the installation cavity through the air inlet 1001 and to be output from the air outlet 1002 after exchanging heat through the heat exchanger 3. In actual use, after the heat pump unit is hung and installed, the air inlet 1001 and the air outlet 1002 are arranged on the base 1, so that air exchange can be directly carried out with the indoor space. Taking a heat pump unit installed in a bath room as an example, a ceiling of the bath room is not installed with a ceiling buckle plate below the air inlet 1001 and the air outlet 1002 so as to expose the air inlet 1001 and the air outlet 1002. The exposed air inlet 1001 and air outlet 1002 can directly exchange air with the bath room. The method comprises the following steps: under the action of the fan 4, air in the bath room enters the installation cavity formed by the heat pump unit through the air inlet 1001, exchanges heat through the heat exchanger 3, and then is output to the bath room through the air outlet 1002. The specific air flow path is shown with reference to the dashed arrow in fig. 8.
In some embodiments, the air inlet 1001 and the air outlet 1002 are disposed on the lower surface of the base 1, the air inlet 1001 is located on the air inlet side of the heat exchanger 3, and the air outlet 1002 is located on the air outlet side of the heat exchanger 3. The air inlet 1001 and the air outlet 1002 are directly arranged on the lower surface of the base, which is more beneficial to the smooth circulation flow of air between the installation cavity and the bath room. In order to reduce the mutual influence of the air flows between the air inlet 1001 and the air outlet 1002, a recessed water receiving tray 14 is formed on the base 1, and the water receiving tray 14 is disposed between the air inlet 1001 and the air outlet 1002 so as to space the air inlet 1001 and the air outlet 1002 by using the water receiving tray 14.
As a preferred embodiment, in order to improve the heat exchange efficiency of the heat exchanger 3, the heat pump unit further includes a wind scooper 8, where the wind scooper 8 is disposed at the other end of the base 1, and the wind scooper 8 covers the wind outlet side of the heat exchanger 3 and is used for guiding the airflow after heat exchange by the heat exchanger 3 to be output outwards. Specifically, under the action of the fan 4, outside air enters the installation cavity and exchanges heat with the heat exchanger 3, and the air flow after heat exchange enters the air guide cover 8 so as to output the air after heat exchange outwards through the air guide cover 8. The air guide cover 8 is arranged at the air outlet side of the heat exchanger 3, and can better guide the air flow after heat exchange to be output to the outside of the installation cavity through the air guide cover 8, so that the phenomenon that the air flow after heat exchange is continuously remained in the installation cavity to exchange heat with the heat exchanger 3 repeatedly is avoided, and the heat exchange efficiency of the heat exchanger 3 can be improved more efficiently.
The wind scooper 8 is arranged on the base 1 and is positioned in the installation cavity, and the wind scooper 8 covers the wind outlet side of the heat exchanger 3, so that a wind outlet cavity is formed between the wind scooper 8 and the heat exchanger 3; the air outlet 1002 is communicated with the air outlet cavity, and the air inlet 1001 is communicated with the mounting cavity.
2. In the case of using outdoor air as an air source for heat exchange by the heat exchanger 3, as shown in fig. 9, the heat pump unit further includes an air inlet channel 91 and an air outlet channel 92, the air inlet channel 91 is connected with the installation cavity, and the air outlet channel 92 is connected with the air outlet cavity. Specifically, during actual installation, the air inlet channel 91 and the air outlet channel 92 are respectively communicated with the outdoor side, outdoor air enters the installation cavity through the air inlet channel 91, and after heat exchange is performed between the air and the heat exchanger 3, the air is output to the outdoor through the air outlet channel 92. The specific air flow path is shown with reference to the dashed arrow in fig. 9. Similarly, because the air after heat exchange can be smoothly output to the outside through the air outlet channel 92 and cannot be gathered in the installation cavity, the phenomenon that the air flow after heat exchange is repeatedly subjected to heat exchange with the heat exchanger 3 due to the fact that the air flow after heat exchange is continuously remained in the installation cavity is avoided, and therefore the heat exchange efficiency of the heat exchanger 3 can be improved more efficiently.
As a preferred embodiment, the base 1 is also provided with a wind scooper 8 to form an air outlet cavity by the cooperation of the housing 7 and the heat exchanger 3. The functional roles of the air guide cover 8 are described above with reference to the use of indoor air as an air source, and will not be described here.
In some embodiments, as shown in fig. 4 and 9, for convenience of assembly, the housing 7 is provided with a mounting opening 72, the mounting opening 72 is connected with a ventilation pipe 9, an air inlet channel 91 and an air outlet channel 92 are formed in the ventilation pipe 9, the air inlet channel 91 is communicated with the mounting cavity, and the air outlet channel 92 is communicated with the air outlet cavity. The ventilation pipe 9 is used for communicating with the outside to introduce the outdoor air into the installation cavity and output the air after heat exchange to the outside. And the air inlet channel 91 and the air outlet channel 92 are integrated in the ventilation pipe 9, so that the rapid assembly of field operators is facilitated.
Wherein, baffle 93 is provided in ventilation pipe 9, and baffle 93 separates ventilation pipe 9 into inlet channel 91 and outlet channel 92. As shown in fig. 10, the partition 93 is provided with an extension plate 931 extending to the outside of the ventilation pipe 9, and the air inlet and outlet can be isolated at the outer end region of the ventilation pipe 9 by the extension plate 931 to reduce the mutual interference of the air inlet and outlet at the outside of the heat pump unit. Preferably, the extension plate 931 is bent and extended toward the air outlet passage 92 side, so that the heat exchanged air outputted from the air outlet passage 92 can be guided away from the air inlet passage 91 by the bent extension plate 931. Alternatively, as shown in fig. 11, the outer port of the air inlet channel 91 and the outer port of the air outlet channel 92 are arranged away from each other, so that mutual interference of air inlet and outlet on the outer side can be reduced or avoided.
In some embodiments, in order to enable the air outlet channel 92 to reliably communicate with the air outlet cavity, an auxiliary air outlet 1003 is provided on the base 1, and the auxiliary air outlet 1003 communicates with the air outlet cavity; the air outlet channel 92 is located below the air inlet channel 91, the air outlet channel 92 is connected with the auxiliary air outlet 1003, and the partition plate 93 abuts against the side part of the base 1. Specifically, an auxiliary air outlet 1003 is disposed on a side wall of the base 1, so that the air outlet channel 92 and the air outlet cavity are mutually communicated through the auxiliary air outlet 1003. Meanwhile, since the partition 93 abuts against the side of the base 1, it is possible to prevent the air flow output from the auxiliary air outlet 1003 from leaking to the air inlet passage 91,
in some embodiments, the surface of the air guiding cover 8 opposite to the air inlet channel 91 may be provided with an arc-shaped air guiding surface 80, and the air guiding surface 80 extends upwards to the upper edge of the heat exchanger 3 along the air outlet direction of the air inlet channel 91, so that the air introduced from the air inlet channel 91 can be guided to pass over the heat exchanger 3 via the air guiding surface 80, and the air entering the installation cavity can smoothly pass through the heat exchanger 3 from the air inlet side of the heat exchanger 3 to exchange heat, so that the air speed is reduced, the air circulation efficiency is improved, and the heat exchange efficiency is further improved.
3. In the case of adopting indoor or outdoor air as an air source for heat exchange of the heat exchanger 3 according to the need, as shown in fig. 12, on one hand, a ventilation opening (not labeled) for air intake or air outlet is required to be further arranged at the bottom of the base 1 so as to meet the requirement of indoor air circulation flow; on the other hand, the ventilation duct 9 needs to be configured to meet the heat exchange requirements with the outdoor air. Meanwhile, in order to switch different air sources to exchange heat according to the needs, the heat pump unit further comprises a switching assembly 16, and the switching assembly 16 is used for selectively switching the ventilation opening or the ventilation pipe 9 to be communicated with the installation cavity.
In actual use, the ventilation opening or the ventilation pipe 9 is switched to be communicated with the installation cavity through the switching assembly 16, so that the indoor or outdoor air source can be switched according to the requirement. The ventilation opening generally comprises an air inlet 1001 and an air outlet 1002 arranged at the bottom of the base 1, and the ventilation pipe 9 may be configured with two ventilation pipes, one for air intake and the other for air outlet, and for convenience of assembly, the air intake channel 91 and the air outlet channel 92 may be formed in one ventilation pipe 9 by separating the partition 93.
Among other things, there are various forms of presentation entities for the switching component 16, such as: the switching assembly 16 may be a damper provided in the air inlet 1001, the air outlet 1002, and the ventilation pipe 9, respectively, and the function of switching the air source used indoors or outdoors is achieved by controlling the damper switch.
As a preferred embodiment, it is used that an air inlet channel 91 and an air outlet channel 92 are formed in the ventilation tube 9, and that the ventilation tube 9 is located at the air outlet side of the heat exchanger 3. And the switching assembly 16 includes: a first baffle 161 and a second baffle 162. Wherein, the first baffle 161 is rotatably installed on the base 1 and is used for selectively shielding the air outlet 1002 or the inlet of the air outlet channel 92; the second baffle 162 is rotatably mounted on the base 1 and is used to switch the air inlet 1001. Specifically, the first baffle 161 can rotate on the base 1 to switch and shade the inlet of the air outlet 1002 or the air outlet channel 92, so as to control the air after heat exchange to select the air outlet 1002 or the air outlet channel 92 to be output to the outside of the installation cavity.
And for the air entering the installation cavity, only the second baffle 162 needs to be controlled to switch the air inlet 1001, so that the requirement of switching the air source can be met. The method comprises the following steps: since the ventilation pipe 9 is remote from the air intake side of the heat exchanger 3, the air intake 1001 is located on the air intake side of the heat exchanger 3. When the indoor air needs to be used as the air source in a switching mode, the second baffle 162 rotates to open the air inlet 1001, and under the action of the fan 4, the air in the room can be quickly sucked into the installation cavity and subjected to heat exchange through the heat exchanger 3 due to the fact that the air inlet 1001 is adjacent to the heat exchanger 3. When outdoor air is required as an air source, the second baffle 162 is rotated to close the air inlet 1001, and at this time, the fan 4 is started, so that outdoor air can be sucked into the installation cavity through the air inlet channel 91.
By configuring the first baffle 161 and the second baffle 162, the air source can be conveniently and reliably switched by using a simple structure, on one hand, the structural form of the switching assembly 16 is effectively simplified, on the other hand, the control process is more facilitated to be simplified, and the heat pump unit operates more reliably.
In order to drive the first baffle 161 and the second baffle 162 to rotate, a driving motor 163 may be disposed for the first baffle 161 and the second baffle 162 to rotate
In the seventh embodiment, based on the above technical solution, alternatively, regarding the installation position of the fan 4, the fan 4 may be disposed on the air inlet side of the heat exchanger 3 or the air outlet side of the heat exchanger 3 as required. And for a specific type of fan 4, the following description is made with reference to the accompanying drawings.
In some embodiments, as shown in fig. 4, the fan 4 may be a cross-flow fan, where a cross-flow wind wheel of the cross-flow fan is disposed in the air outlet cavity. In order to meet the installation requirement of the cross-flow fan, the wind scooper 8 is arranged on the base 1 for corresponding improvement, namely, shaft holes (not marked) are arranged at two end parts of the wind scooper 8, and the rotating shaft of the cross-flow wind wheel is rotatably arranged in the shaft holes; one end of the wind scooper 8 is also provided with a through-flow motor (not labeled), and the through-flow motor is connected with a rotating shaft of the through-flow wind wheel.
In actual use, because the heat pump unit is hung and installed on the indoor roof, when the fan 4 fails and needs to be maintained, in order to reduce maintenance difficulty, as shown in fig. 13, the air guide cover 8 adopts a split structure, namely, the air guide cover comprises: a first semicircular notch 810 is respectively arranged at two ends of the first cover body 81, and a second semicircular notch 820 is respectively arranged at two ends of the second cover body 82; wherein the first semicircular notch 810 and the second semicircular notch 820 at the same end are butted together to form a shaft hole. In the factory assembly stage, the cross-flow wind wheel is arranged between the first cover body 81 and the second cover body 82, and then the first cover body 81 and the second cover body 82 are assembled together, so that the fan 4 can be assembled. And in the later maintenance, the cross-flow wind wheel can be taken out for maintenance and replacement only by disassembling the first cover body 81 and the second cover body 82.
For the first cover 81, it includes: the air guide plate comprises two first end plates 811 and an air guide plate 812, wherein a first semicircular notch 810 is formed in the edge of the first end plate 811, and the air guide plate 812 is of an arc-shaped plate structure and is arranged between the two first end plates 811; and the second cover 82 includes: two second end plates 821 and a connecting piece 822, the edge of the first end plate 811 is provided with a second semicircular notch 820, and the connecting piece 822 is arranged between the two second end plates 821; wherein a first end plate 811 and a second end plate 821 at the same end are connected together; in addition, the second end plate 821 is abutted against the end of the heat exchanger 3, and the air deflector 812 is abutted against the upper edge of the heat exchanger 3. Specifically, the outer surface of the air deflector 812 will correspondingly form the air guiding surface 80 to guide the flow of air from the outside to the heat exchanger 3.
In order to facilitate the operator to quickly assemble the first cover 81 and the second cover 82 together, the edge of the first end plate 811 is provided with an outwardly extending positioning plate 8111, the edge of the second end plate 821 is provided with a positioning slot 8121, and the positioning plate 8111 is inserted into the positioning slot 8121, so that the first cover 81 and the second cover 82 can be preassembled and positioned by the cooperation of the positioning plate 8111 and the positioning slot 8121.
Meanwhile, the edge of the first end plate 811 is provided with a positioning protrusion 8112, the edge of the first end plate 811 is provided with a positioning notch 8212, and the positioning protrusion 8112 is disposed in the positioning notch 8212. The positioning protruding blocks 8112 are located below the positioning plate 8111 and distributed on two sides of the first semicircular notch 810, when the positioning plate 8111 is assembled, the second cover 82 is hung on the first cover 81 in a matched mode through the positioning clamping grooves 8121 and the positioning plate 8111, then the lower portion is matched with the positioning notch 8212 through the positioning protruding blocks 8112 to be positioned, and finally the first cover 81 and the second cover 82 are connected and fixed through screws. Only one screw is required to be respectively arranged at two sides between the first cover body 81 and the second cover body 82 to complete assembly, and assembly efficiency is improved.
More importantly, the positioning slot 8121 and the positioning plate 8111 cooperate to provide structural limitation on the upper portion of the shaft hole, and cooperate with the positioning protruding block 8112 and the positioning notch 8212 on the bottom to support the bottom, so that the fan 4 can be mounted more reliably by the first semicircular notch 810 and the second semicircular notch 820.
In some embodiments, as shown in fig. 14, the connecting piece 822 may be a connecting plate, where the connecting plate is abutted against the upper edge of the water pan 14, and the air tightness of the air outlet cavity is enhanced by matching the connecting plate with the edge of the water pan 14. Preferably, the cross section of the connection plate is of an inverted U-shaped structure, so as to effectively increase the contact area of the connection plate with the upper edge of the water pan 14,
in other embodiments, as shown in fig. 5, the fan 4 may be an axial flow fan, and in case of using an axial flow fan, in order to ensure that the fan 4 can generate enough air volume to exchange heat with the heat exchanger 3, a plurality of axial flow fans may be sequentially arranged along the length direction of the heat exchanger 3, so that on one hand, the air volume requirement is met, and on the other hand, the height design requirement is also met. Preferably, the axial fan is placed against the air intake side of the heat exchanger 3.
Based on the above technical solution, the heat pump unit provided by the present invention may optionally further add related components to expand functions thereof, for example: in the case of a heat pump unit installed in a bathroom, the function of the bathroom heater may be integrated in the heat pump unit. The method comprises the following steps: as shown in fig. 15, the heat pump unit further includes: an electric heating part 31, the electric heating part 31 being used for heating the air flow flowing to the air outlet 1002; and correspondingly, the air outlet 1002 is arranged on the lower surface of the base 1 to realize indoor air outlet. Specifically, when the user is bathing, the compressor 2 is stopped, the electric heating unit 31 and the fan 4 are powered on to operate, so that the heated air enters the room through the air outlet 1002, and the heating function of the bathroom heater is realized.
Wherein, air outlet 1002 is located the air-out side of heat exchanger 3, and electric heating element 31 also arranges the air-out side of heat exchanger 3 and is located the top of air outlet 1002. In this way, the air is heated by the electric heating member 31 and then output from the air outlet 1002 below. In addition, in the case where the air guide cover 8 is provided, it is preferable that the electric heating member 31 is provided in the air outlet chamber so as to efficiently heat the air by using the relatively closed space of the air outlet chamber, thereby improving the heating efficiency.
In some embodiments, the electrical heating element 31 may be mounted on the heat exchanger 3 for ease of assembly. Correspondingly, the heat exchanger 3 is provided with the mounting seat 32, the electric heating part 31 is arranged on the mounting seat 32, and the mounting seat 32 can be fixed on the tube plate of the heat exchanger 3 through screws so as to conveniently and reliably mount and fix the electric heating part 31 through the mounting seat 32. In order to accurately control the heating temperature, a temperature controller 33 for detecting the heating temperature of the electric heating part 31 is further provided on the mounting base 32, and the temperature controller 33 can detect the heating temperature of the electric heating part 31.
Whereas for the representation entity of the electric heating part 31, the electric heating part 31 may comprise a plurality of electric heating plates, and a heating zone is formed between two adjacent electric heating plates. Alternatively, the electric heating member 31 is an electric heating tube.
In some embodiments, in order to further enrich the usage functions, the lower surface of the base 1 is further provided with an illumination lamp (not shown). The illumination lamp may be disposed on the lower surface of the base 1 and in a lower region of the water pan 14 to meet the indoor illumination requirement.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. A heat pump assembly for hanging installation, comprising:
the base is provided with a mounting part for hanging and mounting, and the bottom of the base is also provided with a ventilation opening for air inlet or air outlet;
the housing is mounted on the base, and a mounting cavity is formed between the housing and the base;
the ventilation pipe is arranged on the housing and is used for air intake or air outlet;
the switching assembly is used for selectively switching the ventilation opening or the ventilation pipe to be communicated with the mounting cavity;
a compressor mounted on the base;
a heat exchanger mounted on the base;
the fan is arranged on the base and is used for driving air to enter the installation cavity and output after heat exchange by the heat exchanger;
the ventilation opening comprises an air outlet and an air inlet, the air outlet and the air inlet are both arranged on the lower surface of the base, the air outlet is positioned on the air outlet side of the heat exchanger, and the air inlet is positioned on the air inlet side of the heat exchanger;
the heat pump unit for hanging installation further comprises: the air guide cover is arranged on the base and is positioned in the installation cavity, the air guide cover covers the air outlet side of the heat exchanger, and an air outlet cavity is formed between the air guide cover and the heat exchanger; an air inlet channel and an air outlet channel are arranged in the ventilation pipe, and the ventilation pipe is positioned at the air outlet side of the heat exchanger; the air inlet channel and the air inlet are respectively communicated with the installation cavity, and the air outlet channel and the air outlet are respectively communicated with the air outlet cavity;
the wind scooper includes the first cover body and the second cover body, the first cover body includes two first end plates and aviation baffle, the edge of first end plate is provided with first semicircle breach, the aviation baffle is the arc structure and sets up two between the first end plate, the second cover body includes: the edge of the second end plate is provided with a second semicircular notch, and the connecting piece is arranged between the two second end plates; wherein the first end plate and the second end plate which are positioned at the same end part are connected together; the second end plate is attached to the end part of the heat exchanger, the air deflector is attached to the upper edge of the heat exchanger, the first semicircular notch and the second semicircular notch which are positioned at the same end part are butted together to form a shaft hole, and the cross flow wind wheel of the fan is arranged between the first cover body and the second cover body;
the surface of the air guide cover, which is opposite to the air inlet channel, forms an air guide surface, and the air guide surface extends upwards to the upper edge of the heat exchanger along the air outlet direction of the air inlet channel in an inclined manner.
2. The heat pump assembly for hanging installation according to claim 1, wherein
The switching assembly includes:
the first baffle is rotatably arranged on the base and used for selectively shielding the air outlet or the inlet of the air outlet channel;
the second baffle is rotatably arranged on the base and used for switching on and off the air inlet.
3. The heat pump assembly for hanging installation according to claim 2, wherein a notch structure is provided at one side of the base, and the first baffle is provided in the notch structure; the notch structure is located at the position of the lower surface of the base to form the air outlet, and the position of the notch structure located on the side wall of the base is in butt joint with the air outlet channel.
4. A heat pump unit for hanging installation according to claim 3, wherein a partition is provided in the ventilation pipe, the partition dividing the ventilation pipe into the air inlet passage and the air outlet passage; one end of the partition plate is abutted against the base and is positioned above the notch structure.
5. The heat pump unit according to claim 1, wherein a recessed water pan is formed on the base, the heat exchanger is disposed in the water pan, and the water pan is located between the air inlet and the air outlet.
6. The heat pump assembly for use in a hanger installation of claim 2, wherein the switching assembly further comprises:
the first motor is arranged on the base and used for driving the first baffle to rotate;
and the second motor is arranged on the base and used for driving the second baffle to rotate.
7. The heat pump unit for hanging installation according to claim 1, wherein the ventilation opening comprises an air outlet which is arranged on the lower surface of the base and communicated with the installation cavity, and the ventilation pipe comprises an air outlet pipe which is communicated with the installation cavity and is positioned on the air outlet side of the heat exchanger;
the switching assembly includes:
the first air door is arranged in the air outlet and used for switching the air outlet;
the second air door is arranged in the air outlet pipe and used for switching the air outlet pipe.
8. The heat pump unit for hanging installation according to claim 1, wherein the ventilation opening comprises an air inlet which is arranged on the lower surface of the base and is communicated with the installation cavity, and the ventilation pipe comprises an air inlet pipe which is communicated with the installation cavity and is positioned on the air inlet side of the heat exchanger;
the switching assembly includes:
the third air door is arranged in the air inlet and used for switching the air inlet;
and the fourth air door is arranged in the air inlet pipe and used for switching the air inlet pipe.
9. A heat pump water heater comprising a water tank in which an auxiliary heat exchanger is provided, characterized in that it further comprises a heat pump unit according to any one of claims 1-8, the compressor and heat exchanger of the heat pump unit being connected to the auxiliary heat exchanger to form a refrigerant circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911309136.XA CN112984793B (en) | 2019-12-18 | 2019-12-18 | Heat pump unit and heat pump water heater for hanging installation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911309136.XA CN112984793B (en) | 2019-12-18 | 2019-12-18 | Heat pump unit and heat pump water heater for hanging installation |
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| CN112984793B true CN112984793B (en) | 2023-12-12 |
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| JP2007255866A (en) * | 2006-03-27 | 2007-10-04 | Matsushita Electric Ind Co Ltd | Air conditioner |
| CN102080875A (en) * | 2011-03-13 | 2011-06-01 | 张斌 | Water heater with semi-concealed assembled air source heat pump |
| CN102829548A (en) * | 2011-06-17 | 2012-12-19 | 上海开缔能源科技有限公司 | Instant-heating heat-pump water heater |
| CN108253659A (en) * | 2017-12-07 | 2018-07-06 | 合肥通用机械研究院 | A kind of cold and heat combined supply carbon dioxide heat pump water heater |
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2019
- 2019-12-18 CN CN201911309136.XA patent/CN112984793B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007255866A (en) * | 2006-03-27 | 2007-10-04 | Matsushita Electric Ind Co Ltd | Air conditioner |
| CN102080875A (en) * | 2011-03-13 | 2011-06-01 | 张斌 | Water heater with semi-concealed assembled air source heat pump |
| CN102829548A (en) * | 2011-06-17 | 2012-12-19 | 上海开缔能源科技有限公司 | Instant-heating heat-pump water heater |
| CN108253659A (en) * | 2017-12-07 | 2018-07-06 | 合肥通用机械研究院 | A kind of cold and heat combined supply carbon dioxide heat pump water heater |
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