CN203908008U - Heat pump water heater - Google Patents
Heat pump water heater Download PDFInfo
- Publication number
- CN203908008U CN203908008U CN201420317346.XU CN201420317346U CN203908008U CN 203908008 U CN203908008 U CN 203908008U CN 201420317346 U CN201420317346 U CN 201420317346U CN 203908008 U CN203908008 U CN 203908008U
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- CN
- China
- Prior art keywords
- drip tray
- bracing frame
- inner bag
- pump boiler
- teat pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a heat pump water heater which comprises a shell, a heat exchange system, an inner container, an inner container supporting frame, a water receiving disc supporting frame and a water receiving disc. The heat exchange system is arranged in the shell. The inner container is arranged in the shell. The inner container supporting frame is fixed to the inner container. The water receiving disc supporting frame is arranged on the inner container supporting frame and is provided with supporting columns and fixedly provided with fixing bolts. The water receiving disc is supported on the supporting columns, fixing holes are formed in the water receiving disc, the fixing bolts penetrate through the fixing holes, and fixing nuts are matched with the fixing bolts. The heat pump water heater has the advantages that the water receiving disc is convenient to mount, production efficiency is high, the overall structural strength is high, and the appearance is attractive.
Description
Technical field
The utility model relates to electrical equipment manufacturing technology field, in particular to a kind of Teat pump boiler.
Background technology
Air energy heat pump water heater is divided into monoblock type and split type, and wherein monoblock type generally adopts following two kinds of load-carrying members.One is outer shell load-bearing, the auxiliary load-bearing of inner bag or not load-bearing.Another kind is inner courage load-bearing, the auxiliary load-bearing of shell or not load-bearing.In correlation technique, adopt the Teat pump boiler of inner bag load-bearing, because the rigging position deviation of inner bag is larger, cause that drip tray is installed difficulty, production efficiency is lower, it is insecure to install, cause water heater overall construction intensity lower, even affect the attractive in appearance of profile.
Utility model content
The utility model is intended to solve at least to a certain extent one of above-mentioned technical problem in correlation technique.For this reason, an object of the present utility model is to propose a kind of Teat pump boiler, and this Teat pump boiler adopts inner bag load-bearing, has the advantages such as drip tray is convenient to install, production efficiency is high, overall construction intensity is high, good looking appearance.
For achieving the above object, the utility model proposes a kind of Teat pump boiler, described Teat pump boiler comprises: shell; Heat-exchange system, described heat-exchange system is located in described shell; Inner bag, described inner bag is located in described shell; Inner bag bracing frame, described inner bag bracing frame is fixed on described inner bag; Drip tray bracing frame, described drip tray bracing frame is arranged on described inner bag bracing frame, and described drip tray bracing frame is provided with support column and is fixed with set bolt; Drip tray, described drip tray is supported on described support column, and described drip tray is provided with fixing hole, and described set bolt is through being combined with hold-down nut on described fixing hole and described set bolt.
According to Teat pump boiler of the present utility model, by inner bag bracing frame is set on inner bag, and inner bag bracing frame is provided with drip tray bracing frame, drip tray can be arranged on inner bag bracing frame by drip tray bracing frame like this, thereby utilize inner bag load-bearing.And, drip tray bracing frame is provided with support column and is fixed with set bolt, on drip tray, offer described fixing hole, can make like this set bolt pass described fixing hole and utilize the hold-down nut on set bolt that drip tray is locked on support column, and then drip tray is fixed on inner bag indirectly by drip tray bracing frame and inner bag bracing frame.Not only can facilitate thus the installation of drip tray, to enhance productivity, and can improve the fastness that drip tray is installed, and then can strengthen the overall construction intensity of Teat pump boiler, avoid structural strength too low and affect the profile of Teat pump boiler.
In addition, can also there is following additional technical characterictic according to Teat pump boiler of the present utility model:
Described set bolt is fixed on described drip tray bracing frame by welding setscrew nut, and described inner bag bracing frame is welded on the outer end face of described inner bag.Set bolt can be fixed on drip tray bracing frame thus, and inner bag bracing frame is fixed on inner bag, and reliable in structure, technique are simple.
Described support column is thermal insulation barriers, and described support column is set on described set bolt and between described drip tray and described drip tray bracing frame.Can utilize thus the heat transmission between the isolated inner bag of support column and drip tray.
Described Teat pump boiler also comprises heat insulating mattress, and described heat insulating mattress is set on described set bolt and between described hold-down nut and described drip tray.Can further prevent that like this heat of inner bag is delivered to drip tray.
Described drip tray is provided with projection and forms concave surface with the lower surface at described drip tray, and described fixing hole is located in described projection, and the upper end of described support column is engaged in described concave surface, and described heat insulating mattress is located on the upper surface of described projection.The position that can make like this support column is more reliable and facilitate the installation of heat insulating mattress.
Described drip tray bracing frame is provided with the first pilot hole, described inner bag bracing frame is provided with second pilot hole corresponding with described the first pilot hole position, and on described inner bag bracing frame, be fixed with the assembling nut corresponding with described the second pilot hole position, described drip tray bracing frame is arranged on described inner bag bracing frame by the assembling bolt being engaged in described assembling nut through described the first pilot hole and described the second pilot hole.Drip tray bracing frame can be arranged on inner bag bracing frame thus, and reliable in structure, installation and removal are convenient.
Described support column, described set bolt, described hold-down nut and described heat insulating mattress be multiple groups and lay respectively at center and the outer peripheral edges place of described drip tray, and described drip tray is provided with corresponding multiple described projection and each described projection and is provided with described fixing hole.Can further improve thus the installation strength of drip tray.
Described drip tray is separated into machine hall by the inner space of described shell and is positioned at the water tank chamber of below, described machine hall, and it is indoor that described inner bag, described inner bag bracing frame and described drip tray bracing frame are located at described water tank.Thus can be so that the reasonable installation of enclosure parts.
Described heat-exchange system comprises: compressor, and described compressor is located in described machine hall; Cross valve, described cross valve is located in described machine hall and with described compressor and is connected; Evaporimeter, described evaporimeter is located in described machine hall and with described cross valve and is connected; Condenser coil, described condenser coil is located in described water tank and is coiled on described inner bag, and described condenser coil is connected with described evaporimeter with described cross valve respectively; Throttling element, described throttling element be located in described machine hall and be connected to described evaporimeter and described condenser coil between.Can realize thus refrigeration and the heat-production functions of heat-exchange system, and the installation site of each parts is reasonable.
Described Teat pump boiler also comprises blower fan and control box assembly, and described blower fan and described control box assembly are located in described machine hall, and described control box assembly is connected with described compressor with described blower fan respectively.Thus can be so that the wind-guiding of Teat pump boiler and control.
Brief description of the drawings
Fig. 1 is according to the cutaway view of the Teat pump boiler of the utility model embodiment.
Fig. 2 is the enlarged drawing in B region in Fig. 1.
Reference numeral: Teat pump boiler 1, shell 100, machine hall 110, water tank chamber 120, heat-exchange system 200, compressor 210, cross valve 220, evaporimeter 230, condenser coil 240, throttling element 250, inner bag 300, inner bag bracing frame 400, assembling bolt 410, assembling nut 420, support column 430, drip tray bracing frame 500, set bolt 510, hold-down nut 520, setscrew nut 530, drip tray 600, projection 610, concave surface 620, , heat insulating mattress 800, blower fan 900, control box assembly 1000.
Detailed description of the invention
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Describe according to the Teat pump boiler 1 of the utility model embodiment below with reference to accompanying drawing.
As depicted in figs. 1 and 2, comprise shell 100, heat-exchange system 200, inner bag 300, inner bag bracing frame 400, drip tray bracing frame 500 and drip tray 600 according to the Teat pump boiler 1 of the utility model embodiment.
Heat-exchange system 200 is located in shell 100.Inner bag 300 is located in shell 100.Inner bag bracing frame 400 is fixed on inner bag 300.Drip tray bracing frame 500 is arranged on inner bag bracing frame 400, and drip tray bracing frame 500 is provided with support column 430 and is fixed with set bolt 510.Drip tray 600 is supported on support column 430, drip tray 600 is provided with fixing hole, set bolt 510 is through being combined with hold-down nut 520 on described fixing hole and set bolt 510, and set bolt 510 and hold-down nut 520 are arranged on drip tray 500 on drip tray bracing frame 500.
According to the Teat pump boiler 1 of the utility model embodiment, by inner bag bracing frame 400 is set on inner bag 300, and inner bag bracing frame 400 is provided with drip tray bracing frame 500, drip tray 600 can be arranged on inner bag bracing frame 400 by drip tray bracing frame 500 like this, thereby utilize inner bag 300 load-bearing.And, drip tray bracing frame 500 is provided with support column 430 and is fixed with set bolt 510, on drip tray 600, offer described fixing hole, can make like this set bolt 510 through described fixing hole and utilize the hold-down nut 520 on set bolt 510 that drip tray 600 is locked on support column 430, and then drip tray 600 is further fixed on inner bag 300 indirectly by drip tray bracing frame 500 and inner bag bracing frame 400.Not only can facilitate thus the installation of drip tray 600, to enhance productivity, and can improve the fastness that drip tray 600 is installed, and and then can strengthen the overall construction intensity of Teat pump boiler 1, avoid structural strength too low and affect the profile of Teat pump boiler 1.Therefore, there is the advantages such as drip tray is convenient to install, production efficiency is high, overall construction intensity is high, good looking appearance according to the Teat pump boiler 1 of the utility model embodiment.
Describe according to the Teat pump boiler 1 of the utility model specific embodiment below with reference to accompanying drawing.
In specific embodiments more of the present utility model, as depicted in figs. 1 and 2, comprise shell 100, heat-exchange system 200, inner bag 300, inner bag bracing frame 400, drip tray bracing frame 500, drip tray 600, blower fan 900 and control box assembly 1000 according to the Teat pump boiler 1 of the utility model embodiment.
The inner space of shell 100 is separated into machine hall 110 and water tank chamber 120 by drip tray 600, water tank chamber 120 is positioned at 110 belows, machine hall (above-below direction is as in Figure 1 and Figure 2 shown in arrow A), thus can be so that the reasonable installation of shell 100 internal parts, as the installation of heat-exchange system 200 grades.
Particularly, as shown in Figure 1, heat-exchange system 200 comprises compressor 210, cross valve 220, evaporimeter 230, condenser coil 240 and throttling element 250.
Compressor 210 is located in machine hall 110.Cross valve 220 is located in machine hall 110 and is connected with compressor 210.Evaporimeter 230 is located in machine hall 110 and is connected with cross valve 220.Condenser coil 240 is located in water tank chamber 120 and is coiled on inner bag 300, and condenser coil 240 is connected with evaporimeter 230 with cross valve 220 respectively.Throttling element 250 is located in machine hall 110 and is connected between evaporimeter 230 and condenser coil 240.Compressor 210, cross valve 220, evaporimeter 230, condenser coil 240 and throttling element 250 connect into heat-exchange working medium closed circuit, the wherein concrete connected mode of compressor 210, cross valve 220, evaporimeter 230, condenser coil 240 and throttling element 250, be known for a person skilled in the art, repeat no more here.
Further, inner bag 300, inner bag bracing frame 400 and drip tray bracing frame 500 are located in water tank chamber 120, for supporting drip tray 600, and then support the parts that are positioned at machine hall 110 in heat-exchange system 200.On drip tray 600, can be provided with pore, and be convenient to pipeline and pass the described pore of crossing to connect evaporimeter 230, compressor 210 and condenser coil 240.
As shown in Figure 1, Teat pump boiler 1 also comprises blower fan 900 and control box assembly 1000, blower fan 900 and control box assembly 1000 are located in machine hall 110, and control box assembly 1000 is connected with compressor 210 with blower fan 900 respectively, so that the wind-guiding of Teat pump boiler 1 and control.
In concrete examples more of the present utility model, as depicted in figs. 1 and 2, set bolt 510 is fixed on drip tray bracing frame 500 by welding setscrew nut 530.Particularly, on the double-screw bolt of set bolt 510, be welded with setscrew nut 530, setscrew nut 530 arranges with the nut interval of set bolt 510, and drip tray bracing frame 500 is provided with locating hole, and the Zhou Yanchu of described locating hole is fastened between the nut and setscrew nut 530 of set bolt 510.Inner bag bracing frame 400 is welded on the outer end face of inner bag 300, and for example, inner bag bracing frame 400 is welded on the upper cover of inner bag 300.Set bolt 320 can be fixed on drip tray bracing frame 500 thus, and inner bag bracing frame 400 is fixed on inner bag 300, and reliable in structure, technique are simple.
Alternatively, as shown in Figure 2, drip tray bracing frame 500 is provided with the first pilot hole, inner bag bracing frame 400 is provided with second pilot hole corresponding with described the first pilot hole position, and on inner bag bracing frame 400, be fixed with the assembling nut 420 corresponding with described the second pilot hole position, for example, assembling nut 420 can weld or be riveted on the lower surface of inner bag bracing frame 400 and be relative with described the second pilot hole.Drip tray bracing frame 500 is arranged on inner bag bracing frame 400 by the assembling bolt 410 being engaged in assembling nut 420 through described the first pilot hole and described the second pilot hole.Drip tray bracing frame 500 can be arranged on inner bag bracing frame 400 thus, and reliable in structure, installation and removal are convenient.
In specific embodiments more of the present utility model, as depicted in figs. 1 and 2, support column 430 is thermal insulation barriers, support column 700 is set on set bolt 510, and support column 700 is between drip tray 600 and drip tray bracing frame 500, the upper surface of support column 700 is against on the lower surface of drip tray 600 and the lower surface of support column 700 is against on the upper surface of drip tray bracing frame 500.
Further, also comprise heat insulating mattress 800, heat insulating mattress 800 is set on set bolt 510, and heat insulating mattress 800 is between hold-down nut 520 and drip tray 600, the upper surface of heat insulating mattress 800 is against on the lower surface of hold-down nut 520 and the lower surface of heat insulating mattress 800 is against on the interior diapire of drip tray 600.
Can utilize thus the heat transmission between support column 700 and the isolated inner bag 300 of heat insulating mattress 800 and drip tray 600, prevent that the heat of inner bag 300 is delivered to drip tray 600.
Alternatively, as shown in Figure 2, drip tray 600 is provided with projection 610, and projection 610 forms convex surface and forms concave surface 620 at the lower surface of drip tray 600 on the interior diapire of drip tray 600.Described fixing hole is located in projection 610, and the upper end of support column 700 is engaged in concave surface 620, and heat insulating mattress 800 is located on the upper surface of projection 610.So not only can improve the effect of heat insulation of support column 700 and heat insulating mattress 800, and the position that can make support column 700 is more reliable and facilitate the installation of heat insulating mattress 800.
In concrete examples more of the present utility model, support column 430, set bolt 510, hold-down nut 520 and heat insulating mattress 800 are for multiple groups and lay respectively at center and the outer peripheral edges place of drip tray 600.Drip tray 600 is provided with corresponding multiple projections 610 and each projection 610 and is provided with described fixing hole, and the upper end of multiple support columns 430 is engaged in respectively in the concave surface 620 of multiple projections 610 belows and multiple heat insulating mattress 800 are located at respectively on the upper surface of projection 610.Can improve thus reliability and the bearing strength of drip tray 600 on inner bag 300.
According to the Teat pump boiler 1 of the utility model embodiment, drip tray 600 is arranged on inner bag 300 indirectly by inner bag bracing frame 400 and drip tray bracing frame 500, and drip tray 600 is arranged on drip tray bracing frame 500 by set bolt 510 and hold-down nut 520, not only facilitated the installation of drip tray 600, and structural strength is higher.
Be all known for those of ordinary skills according to other formations of the Teat pump boiler 1 of the utility model embodiment and operation, be not described in detail here.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of instructions such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is at least two, for example two, and three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.In addition, those skilled in the art can engage the different embodiment that describe in this description or example and combine.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.
Claims (10)
1. a Teat pump boiler, is characterized in that, comprising:
Shell;
Heat-exchange system, described heat-exchange system is located in described shell;
Inner bag, described inner bag is located in described shell;
Inner bag bracing frame, described inner bag bracing frame is fixed on described inner bag;
Drip tray bracing frame, described drip tray bracing frame is arranged on described inner bag bracing frame, and described drip tray bracing frame is provided with support column and is fixed with set bolt;
Drip tray, described drip tray is supported on described support column, and described drip tray is provided with fixing hole, and described set bolt is through being combined with hold-down nut on described fixing hole and described set bolt.
2. Teat pump boiler according to claim 1, is characterized in that, described set bolt is fixed on described drip tray bracing frame by welding setscrew nut, and described inner bag bracing frame is welded on the outer end face of described inner bag.
3. Teat pump boiler according to claim 1, is characterized in that, described support column is thermal insulation barriers, and described support column is set on described set bolt and between described drip tray and described drip tray bracing frame.
4. Teat pump boiler according to claim 3, is characterized in that, also comprises heat insulating mattress, and described heat insulating mattress is set on described set bolt and between described hold-down nut and described drip tray.
5. Teat pump boiler according to claim 4, it is characterized in that, described drip tray is provided with projection and forms concave surface with the lower surface at described drip tray, described fixing hole is located in described projection, the upper end of described support column is engaged in described concave surface, and described heat insulating mattress is located on the upper surface of described projection.
6. Teat pump boiler according to claim 1, it is characterized in that, described drip tray bracing frame is provided with the first pilot hole, described inner bag bracing frame is provided with second pilot hole corresponding with described the first pilot hole position, and on described inner bag bracing frame, be fixed with the assembling nut corresponding with described the second pilot hole position, described drip tray bracing frame is arranged on described inner bag bracing frame by the assembling bolt being engaged in described assembling nut through described the first pilot hole and described the second pilot hole.
7. Teat pump boiler according to claim 5, it is characterized in that, described support column, described set bolt, described hold-down nut and described heat insulating mattress be multiple groups and lay respectively at center and the outer peripheral edges place of described drip tray, and described drip tray is provided with corresponding multiple described projection and each described projection and is provided with described fixing hole.
8. Teat pump boiler according to claim 1, it is characterized in that, described drip tray is separated into machine hall by the inner space of described shell and is positioned at the water tank chamber of below, described machine hall, and it is indoor that described inner bag, described inner bag bracing frame and described drip tray bracing frame are located at described water tank.
9. Teat pump boiler according to claim 8, is characterized in that, described heat-exchange system comprises:
Compressor, described compressor is located in described machine hall;
Cross valve, described cross valve is located in described machine hall and with described compressor and is connected;
Evaporimeter, described evaporimeter is located in described machine hall and with described cross valve and is connected;
Condenser coil, described condenser coil is located in described water tank and is coiled on described inner bag, and described condenser coil is connected with described evaporimeter with described cross valve respectively;
Throttling element, described throttling element be located in described machine hall and be connected to described evaporimeter and described condenser coil between.
10. Teat pump boiler according to claim 9, is characterized in that, also comprises blower fan and control box assembly, and described blower fan and described control box assembly are located in described machine hall, and described control box assembly is connected with described compressor with described blower fan respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317346.XU CN203908008U (en) | 2014-06-13 | 2014-06-13 | Heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420317346.XU CN203908008U (en) | 2014-06-13 | 2014-06-13 | Heat pump water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908008U true CN203908008U (en) | 2014-10-29 |
Family
ID=51782275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420317346.XU Expired - Lifetime CN203908008U (en) | 2014-06-13 | 2014-06-13 | Heat pump water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588539A (en) * | 2017-09-18 | 2018-01-16 | 合肥美的暖通设备有限公司 | Water heater, method for heating and controlling and system |
-
2014
- 2014-06-13 CN CN201420317346.XU patent/CN203908008U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588539A (en) * | 2017-09-18 | 2018-01-16 | 合肥美的暖通设备有限公司 | Water heater, method for heating and controlling and system |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
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| CX01 | Expiry of patent term |