CN104848548B - Air energy water heater and water tank outer wall heat exchange tube fixing assembly thereof - Google Patents
Air energy water heater and water tank outer wall heat exchange tube fixing assembly thereof Download PDFInfo
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- CN104848548B CN104848548B CN201410051876.9A CN201410051876A CN104848548B CN 104848548 B CN104848548 B CN 104848548B CN 201410051876 A CN201410051876 A CN 201410051876A CN 104848548 B CN104848548 B CN 104848548B
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- exchanger tube
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 238000004804 winding Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000002360 explosive Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 210000004262 dental pulp cavity Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a fixing component for a heat exchange tube on the outer wall of a water tank, which is used for fixing the heat exchange tube on the outer wall of the water tank and comprises a pressure pad and a tube clamp, wherein the pressure pad is erected on the heat exchange tube, the tube clamp is erected on the pressure pad, and a plurality of clamping grooves corresponding to the positions of pipelines of the heat exchange tube are arranged on the pressure pad at intervals; the upper positions of the pipe clamp and the pressure pad are provided with connecting parts fixedly connected with the water tank. The pressure pads are provided with a plurality of clamping grooves corresponding to the positions of the heat exchange tubes, so that when the heat exchange tubes are fixed through the pressure pads and the tube clamps, the multi-channel tubes of the heat exchange tubes can be simultaneously fixed on the outer wall of the water tank through a group of pressure pads and the tube clamps, and a fixing structure for fixing the heat exchange tubes on the outer wall of the water tank is simplified. The invention also provides an air energy water heater.
Description
Technical field
The present invention relates to technical field of water heaters, more specifically to a kind of air energy water heater and its tank outer wall
Heat exchanger tube fixation kit.
Background technique
On the inner water tank outer wall of air energy water heater winding disc be equipped with heat exchanger tube, heat exchanger tube by certain tensile force with
The mode of spiral is wound on inner bladder outer wall and exchanges heat.Heat exchanger tube needs the rising heat exchanger tube by pipe clamp during around pipe
Beginning section and ending segment are fixed, and to prevent heat exchanger tube from loosening, influence heat transfer effect.
Heat exchanger tube is generally wound on inner water tank outer wall by the way of two-way or multidiameter delay, in the prior art solid
When determining heat exchanger tube, the fixed single conduit of one or two pipe clamp is mostly used to put rubber pad by screw welding on inner water tank
On heat exchanger tube top surface, the rubber pad of use is mostly separate type, and when installation needs for rubber pad to be individually placed on
On heat exchanger tube top surface, then put pipe clamp, be finally fixed using nut, this mode install it is complicated for operation, rubber pad be easy
It falls, production efficiency is low.And rubber pad can only separate heat exchanger tube and pipe clamp contact surface, and not to the adjacent heat exchanger tube in pipe clamp end face
It can play a protective role, so pipe clamp sharp edge is easy to encounter heat exchanger tube, hurt heat exchanger tube, cause secondary refrigerant leakage, and then cause water
Case is scrapped.
For two-way parallel around the fixed form of pipe, 8 pipe clamps of separate unit water tank needs, 16 screws, 16 nuts and 8
Rubber pad is fixed, and for three-channel parallel around the mode of pipe, then need 12 pipe clamps, 24 screws, 24 nuts and 12
A rubber pad is fixed, and using this production assembly method, number of parts is more, and installation is complicated, and production efficiency is very low, water tank
The screw number welded on liner is more, and it is more to leave pad, since pad portion easily corrodes, to increase the hidden of radiator leak
Suffer from.
Therefore, the fixed structure for how simplifying air energy water heater water tank outer wall heat exchanger tube is current those skilled in the art
Member's urgent problem to be solved.
Summary of the invention
In view of this, simplifying air energy thermal water the present invention provides a kind of tank outer wall heat exchanger tube fixation kit to realize
The fixed structure of device tank outer wall heat exchanger tube；The present invention also provides a kind of air energy water heaters.
In order to achieve the above object, the present invention provides the following technical solutions：
A kind of tank outer wall heat exchanger tube fixation kit for fixation of the heat exchanger tube on tank outer wall, including is erected on institute
The pipe clamp stating pressure pad on heat exchanger tube and being erected on the pressure pad is arranged at intervals with the heat exchange of multiple correspondences on the pressure pad
The card slot of pipe conduit positions；The pipe clamp and upper install of the pressure pad are equipped with the connecting component affixed with the water tank.
Preferably, in above-mentioned tank outer wall heat exchanger tube fixation kit, the clamping end face of the card slot is to change described in correspondence
The curved end of heat pipe tubular structure.
Preferably, in above-mentioned tank outer wall heat exchanger tube fixation kit, the pressure pad is erected on the tank outer wall and takes
Each section is equal thickness structure on the heat exchanger tube, and the pipe clamp of multiple correspondences groove position is provided on the pipe clamp
Slot.
Preferably, in above-mentioned tank outer wall heat exchanger tube fixation kit, the pressure pad is rubber pad.
Preferably, in above-mentioned tank outer wall heat exchanger tube fixation kit, the pressure pad is provided with around its edge and protrudes from institute
It states and is buckled on the mounting surface of pressure pad, the pipe clamp is heavy to be set in the buckle.
Preferably, in above-mentioned tank outer wall heat exchanger tube fixation kit, the connecting component, which is set on pipe clamp, is located at institute
State the two sides of card slot extending direction.
Preferably, in above-mentioned tank outer wall heat exchanger tube fixation kit, the connecting component includes being fixedly arranged on the water tank
Screw on outer wall and the nut with screw locking cooperation.
Preferably, in above-mentioned tank outer wall heat exchanger tube fixation kit, the card slot includes corresponding to have to change described in two-way
Two of the pipeline winding position of heat pipe.
Preferably, in above-mentioned tank outer wall heat exchanger tube fixation kit, the card slot includes corresponding to have to change described in three tunnels
Three of the pipeline winding position of heat pipe.
A kind of air energy water heater, it is described including inner water tank and the heat exchanger tube being set around on the inner water tank outer wall
The initial segment and ending segment of heat exchanger tube are provided with fixation kit, and the fixation kit is the water tank as described in above-mentioned any one
Outer wall heat exchanger tube fixation kit.
Tank outer wall heat exchanger tube fixation kit provided by the invention, for fixation of the heat exchanger tube on tank outer wall, including
The pressure pad being erected on the heat exchanger tube and the pipe clamp being erected on the pressure pad are arranged at intervals with multiple corresponding heat exchange on pressure pad
The card slot of pipe conduit positions；Pipe clamp and upper install of pressure pad are equipped with the connecting component affixed with water tank.It is multiple right to be arranged on pressure pad
The card slot of heat exchanger tube conduit positions is answered, therefore when fixing heat exchanger tube by pressure pad and pipe clamp, one group of pressure pad and pipe clamp can be passed through
The multichannel pipeline of heat exchanger tube is also secured on tank outer wall, to simplify the fixation that heat exchanger tube is fixed on tank outer wall
Structure.Meanwhile fixing the multiple groups pipeline of heat exchanger tube simultaneously by one group of pressure pad and pipe clamp, pressure pad and pipe clamp are consolidated by connecting component
Fixed key position is compressed, and fixed structure is simple, improves production efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the fixed structure chart in tank outer wall heat exchanger tube fixation kit provided by the invention to two-way heat exchanger tube；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is the fixed structure chart of tank outer wall heat exchanger tube fixation kit Zhong Dui No. tri- heat exchanger tube provided by the invention；
Fig. 4 is the explosive view of Fig. 3.
Specific embodiment
The invention discloses a kind of tank outer wall heat exchanger tube fixation kits, simplify the heat exchange of air energy water heater water tank outer wall
The fixed structure of pipe；The present invention also provides a kind of air energy water heaters.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
The embodiment of the present invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
As Figure 1-Figure 4, Fig. 1 is in tank outer wall heat exchanger tube fixation kit provided by the invention to two-way heat exchanger tube
Fixed structure chart；Fig. 2 is the explosive view of Fig. 1；Fig. 3 is tri- tunnel tank outer wall heat exchanger tube fixation kit Zhong Dui provided by the invention
The fixed structure chart of heat exchanger tube；Fig. 4 is the explosive view of Fig. 3.
The present invention provides a kind of tank outer wall heat exchanger tube fixation kit, for fixation of the heat exchanger tube on tank outer wall,
Including the pressure pad being erected on the heat exchanger tube and the pipe clamp being erected on the pressure pad, multiple correspondences are arranged at intervals on pressure pad
The card slot of heat exchanger tube conduit positions；Pipe clamp and upper install of pressure pad are equipped with the connecting component affixed with water tank.It is arranged on pressure pad more
The card slot of a corresponding heat exchanger tube conduit positions, therefore in heat exchanger tube fixed by pressure pad and pipe clamp, can by one group of pressure pad and
The multichannel pipeline of heat exchanger tube is also secured on tank outer wall by pipe clamp, is fixed on tank outer wall to simplify heat exchanger tube
Fixed structure.Meanwhile fixing the multiple groups pipeline of heat exchanger tube simultaneously by one group of pressure pad and pipe clamp, by connecting component to pressure pad and pipe
Clamping fixed key position is compressed, and fixed structure is simple, improves production efficiency.
In fig. 1 and 2, pressure pad 13 rides upon on the two-way heat exchanging pipe 15 of heat exchanger tube, and heat exchanger tube is wound around water tank 16
Outer wall, be pressed on pressure pad 13 by pipe clamp 12, fixation to pipe clamp 12 and pressure pad 13 realized by connecting component 11,14.
In figs. 3 and 4, pressure pad 33 rides upon on three road heat exchanging pipes 35 of heat exchanger tube, and heat exchanger tube is wound around water tank 36
Outer wall, be pressed on pressure pad 33 by pipe clamp 32, fixation to pipe clamp 32 and pressure pad 33 realized by connecting component 31,34.
In a specific embodiment of the invention, the clamping end face of card slot is the curved end of corresponding heat exchanger tube tubular structure.
The pipeline structure of corresponding heat exchanger tube, the clamping end face of card slot are set as curved end, to be bonded with heat exchanger tube closely, improve pressure
The fixed stability of the pipeline of pad exchange heat pipe.
In a specific embodiment of the invention, it is uniform thickness that pressure pad, which is erected on tank outer wall and is erected on each section on heat exchanger tube,
Structure is spent, the pipe clamp slot of multiple corresponding groove positions is provided on pipe clamp.Heat exchanger tube is coiled in the outer wall of inner water tank, by pressure pad
It is set as uniform thickness structure, a side end face of pressure pad is the clamping face with curved end notch, and other end is with convex
For the domes of pressure pad end face, the setting of uniform thickness structure avoids pressure pad sunburner, is unfavorable for heat exchanger tube after long-time
It is fixed.Corresponding pressure pad structure, pipe clamp equally have the pipe clamp slot that the groove position of pressure pad is fixed, using being arranged on pipe clamp
Pipe clamp slot compress pressure pad, and then realize exchange pipe line fixation.
Specifically, pressure pad is rubber pad.It is bonded completely using rubber pad with heat exchanger tube, improves the fixed effect of limit of pressure pad
Fruit.Between pressure pad setting simultaneously and heat exchanging pipe and pipe clamp, avoids pipe clamp from contacting with heat exchanger tube and the direct of inner water tank, play
Protective action.
Pressure pad structure as shown in Figures 1 and 2, the setting of 13 uniform thickness of pressure pad, also avoid pipe clamp 12 directly and pressure pad
When 13 contacts are installed on water tank 16, the thickness of 13 corresponding position of pressure pad is blocked up, influences the locking effect of pipe clamp.Uniform thickness setting
Pressure pad 13 also avoids the gravity that heat exchanger tube vertical direction is undertaken by the inside of pressure pad 13, but has with same curved pipe clip slot knot
The pipe clamp 12 of structure supports heat exchanger tube, guarantees the fixed stability in its position.Pipe clamp 32 and pressure pad with three road heat exchanging pipes 35
33 using same installation fixed structure.
In a specific embodiment of the invention, pressure pad is provided on the mounting surface for protrude from pressure pad around its edge and buckles, pipe
Folder is heavy to be set in buckle.Pipe clamp is the sheet metal component of metal structure, has good intensity, simultaneously may be used with the clamping structure of pressure pad
Fixed more heat exchanging pipes, however it covers at more root canal roads simultaneously, to avoid the metal sharp edge at its edge from hurting heat exchanger tube
The packet of pipe clamp is set in pressure pad by leakage problem caused by road by the buckle structure of the edge setting protrusion of pressure pad by pressure pad
Portion avoids the edge of pipe clamp from contacting with the direct of heat exchanging pipe, improves safety by buckle.Meanwhile pipe clamp sinks set on pressure pad
In buckle, prevented also from when installing pipe clamp, rubber pad falls off from pipe clamp, the peace after improving pipe clamp and pressure pad long-time use
Quan Xing.
As shown in Fig. 2, buckle 19 is arranged around the edge of pressure pad 13, pipe clamp 12 is sunk to inside buckle 19.As shown in figure 3,
Buckle 39 is arranged around the edge of pressure pad 33, and pipe clamp 32 is sunk to inside buckle 39.
In a specific embodiment of the invention, connecting component is set to the two sides for being located at card slot extending direction on pipe clamp.Pipe
Folder while fixed more root canal roads, are bar shaped plate structure, therefore carry out installation fixation by the two sides to its length direction
Realize the locking function of pipe clamp.Specifically, pressure pad and pipe clamp length direction both ends are set to the U-type groove of corresponding locking, passed through
Connecting component is set in U-type groove, completes its installation and fixes.
Specifically, connecting component includes the screw being fixedly arranged on tank outer wall and the nut with screw locking cooperation.Screw
Welding is set on the outer wall of inner water tank, after pipe clamp is placed on heat exchanging pipe, passes through the screw and spiral shell in corresponding position
Mother locks, that is, completes the fixation of pipe clamp.
By the cooperation of one group of two screws and locking nut, pipe clamp can be fixedly arranged on tank outer wall, that is, completed
The fixation for exchanging heat pipe, in turn ensures the installation fixed structure of pipe clamp, and structure is simple, and the quantity of required part is few, production dress
With high-efficient.And fixation can be completed by welding two screws of setting, number of welds greatly reduces, and reduces inner water tank corrosion
The hidden danger of leakage.
As depicted in figs. 1 and 2, screw 14 is weldingly fixed on the outer wall of water tank 16, is installed on water tank 16 by nut 11
Pipe clamp 12 and pressure pad 13 are locked, U-type groove 17 is set on pipe clamp 12, U-lag 18 is set on pressure pad, by the two to pipe clamp 12
It is limited with the installation site of pressure pad 13.Likewise, as shown in Figure 3 and Figure 4, screw 34 is weldingly fixed on the outer wall of water tank 36
On, it is installed on 36 by nut 31 and pipe clamp 32 and pressure pad 33 is locked, U-type groove 37 is set on pipe clamp 32, U is set on pressure pad
Shape slot 38 is limited by installation site of the two to pipe clamp 32 and pressure pad 33.
In a specific embodiment of the invention, card slot includes the two of the corresponding pipeline winding position with two-way heat exchanger tube
It is a.The corresponding heat exchanger tube with two-way heat exchanging pipe 15, there are two the pressure pads 13 and pipe clamp 12 of notch for setting tool.
Similarly, the corresponding heat exchanger tube with three road heat exchanging pipes, setting card slot include corresponding with No. three heat exchanger tubes
Three of pipeline winding position.By having pressure pad 33 and pipe clamp 32 there are three notch, realize to three road heat exchanging pipes 35
Fixation.
Of course, it is possible to have the pressure pad and pipe clamp of different pocket numbers according to the setting of the specific structure of heat exchanger tube, simplify solid
Determine the quantity of structure, improves production efficiency.
The tank outer wall heat exchanger tube fixation kit provided in based on the above embodiment, the present invention also provides a kind of air energy
Water heater, including inner water tank and the heat exchanger tube being set around on inner water tank outer wall, the initial segment and ending segment of heat exchanger tube are all provided with
It is equipped with fixation kit, the fixation kit hand which is equipped with is the tank outer wall heat exchange provided in above-described embodiment
Pipe fixation kit.
Since the air energy water heater uses the tank outer wall heat exchanger tube fixation kit of above-described embodiment, so the air
Energy water heater please refers to above-described embodiment by tank outer wall heat exchanger tube fixation kit bring beneficial effect.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of tank outer wall heat exchanger tube fixation kit, for fixation of the heat exchanger tube on tank outer wall, which is characterized in that including
The pressure pad being erected on the heat exchanger tube and the pipe clamp being erected on the pressure pad are arranged at intervals with multiple correspondences on the pressure pad
The card slot of the heat exchanger tube conduit positions；The pipe clamp and upper install of the pressure pad are equipped with the interconnecting piece affixed with the water tank
Part；
It is equal thickness structure, the pipe clamp that the pressure pad, which is erected on the tank outer wall and is erected on each section on the heat exchanger tube,
On be provided with the pipe clamp slot of multiple correspondences groove position.
2. tank outer wall heat exchanger tube fixation kit according to claim 1, which is characterized in that the pressure pad is rubber pad.
3. tank outer wall heat exchanger tube fixation kit according to claim 1, which is characterized in that the pressure pad is set around its edge
It is equipped on the mounting surface for protruding from the pressure pad and buckles, the pipe clamp is heavy to be set in the buckle.
4. tank outer wall heat exchanger tube fixation kit according to claim 3, which is characterized in that the connecting component is set to
It is located at the two sides of the card slot extending direction on pipe clamp.
5. tank outer wall heat exchanger tube fixation kit according to claim 4, which is characterized in that the connecting component includes solid
Screw on the tank outer wall and the nut with screw locking cooperation.
6. tank outer wall heat exchanger tube fixation kit according to claim 1, which is characterized in that the card slot includes corresponding tool
There are two of the pipeline winding position of heat exchanger tube described in two-way.
7. tank outer wall heat exchanger tube fixation kit according to claim 1, which is characterized in that the card slot includes corresponding tool
There are three of the pipeline winding position of heat exchanger tube described in three tunnels.
8. a kind of air energy water heater, described to change including inner water tank and the heat exchanger tube being set around on the inner water tank outer wall
The initial segment and ending segment of heat pipe are provided with fixation kit, which is characterized in that the fixation kit is as in claim 1-7
Tank outer wall heat exchanger tube fixation kit described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410051876.9A CN104848548B (en) | 2014-02-14 | 2014-02-14 | Air energy water heater and water tank outer wall heat exchange tube fixing assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410051876.9A CN104848548B (en) | 2014-02-14 | 2014-02-14 | Air energy water heater and water tank outer wall heat exchange tube fixing assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104848548A CN104848548A (en) | 2015-08-19 |
| CN104848548B true CN104848548B (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410051876.9A Active CN104848548B (en) | 2014-02-14 | 2014-02-14 | Air energy water heater and water tank outer wall heat exchange tube fixing assembly thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768428A (en) * | 2017-01-18 | 2017-05-31 | 格力电器（武汉）有限公司 | Water heater and fixing clamp thereof |
| CN112050679B (en) * | 2020-09-17 | 2021-10-22 | 山东工业职业学院 | Coal chemical industry flue gas waste heat recovery processing apparatus |
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|---|---|---|---|---|
| US5946927A (en) * | 1998-04-14 | 1999-09-07 | Arthur D. Little, Inc. | Heat pump water heater and storage tank assembly |
| CN202613755U (en) * | 2012-06-18 | 2012-12-19 | 珠海格力电器股份有限公司 | Heat pump water heater |
| CN202630409U (en) * | 2012-06-18 | 2012-12-26 | 珠海格力电器股份有限公司 | Heat pump water heater |
| CN103423516A (en) * | 2012-05-15 | 2013-12-04 | 珠海格力电器股份有限公司 | Circuit fixing structure |
| CN203404977U (en) * | 2013-07-18 | 2014-01-22 | 广东美的暖通设备有限公司 | Water box outer coil pipe fixing part, water box and heat pump water heater |
| CN203404978U (en) * | 2013-07-15 | 2014-01-22 | 广东美的暖通设备有限公司 | Water tank and heat-pump water heater with same |
| CN203413828U (en) * | 2013-07-19 | 2014-01-29 | 珠海格力电器股份有限公司 | Water tank inner container of heat pump water heater |
| CN203719134U (en) * | 2014-02-14 | 2014-07-16 | 珠海格力电器股份有限公司 | Air energy water heater and water tank outer wall heat exchange tube fixing assembly thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201462197U (en) * | 2009-06-08 | 2010-05-12 | 宁波华安建材冶炼有限公司 | U-shaped pipe clamp |
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2014
- 2014-02-14 CN CN201410051876.9A patent/CN104848548B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5946927A (en) * | 1998-04-14 | 1999-09-07 | Arthur D. Little, Inc. | Heat pump water heater and storage tank assembly |
| CN103423516A (en) * | 2012-05-15 | 2013-12-04 | 珠海格力电器股份有限公司 | Circuit fixing structure |
| CN202613755U (en) * | 2012-06-18 | 2012-12-19 | 珠海格力电器股份有限公司 | Heat pump water heater |
| CN202630409U (en) * | 2012-06-18 | 2012-12-26 | 珠海格力电器股份有限公司 | Heat pump water heater |
| CN203404978U (en) * | 2013-07-15 | 2014-01-22 | 广东美的暖通设备有限公司 | Water tank and heat-pump water heater with same |
| CN203404977U (en) * | 2013-07-18 | 2014-01-22 | 广东美的暖通设备有限公司 | Water box outer coil pipe fixing part, water box and heat pump water heater |
| CN203413828U (en) * | 2013-07-19 | 2014-01-29 | 珠海格力电器股份有限公司 | Water tank inner container of heat pump water heater |
| CN203719134U (en) * | 2014-02-14 | 2014-07-16 | 珠海格力电器股份有限公司 | Air energy water heater and water tank outer wall heat exchange tube fixing assembly thereof |
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| Publication number | Publication date |
|---|---|
| CN104848548A (en) | 2015-08-19 |
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