CN104990253A - Water heater - Google Patents
Water heater Download PDFInfo
- Publication number
- CN104990253A CN104990253A CN201510418945.XA CN201510418945A CN104990253A CN 104990253 A CN104990253 A CN 104990253A CN 201510418945 A CN201510418945 A CN 201510418945A CN 104990253 A CN104990253 A CN 104990253A
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- Prior art keywords
- interface
- tank
- water
- inner bag
- softening
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 239000000463 material Substances 0.000 claims abstract description 31
- 230000001172 regenerating effect Effects 0.000 claims description 57
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000004902 Softening Agent Substances 0.000 claims description 10
- 239000011780 sodium chloride Substances 0.000 claims description 9
- 230000008929 regeneration Effects 0.000 abstract description 8
- 238000011069 regeneration method Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 15
- 229910001425 magnesium ion Inorganic materials 0.000 description 15
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 9
- 239000011575 calcium Substances 0.000 description 9
- 229910052791 calcium Inorganic materials 0.000 description 9
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 6
- 229910001424 calcium ion Inorganic materials 0.000 description 6
- 230000036541 health Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000003287 bathing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001415 sodium ion Inorganic materials 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention discloses a water heater. The water heater comprises an inner container, a softening tank, a regeneration tank, a water inflow pipe and a reversing assembly. The softening tank is filled with softening materials used for softening water. The regeneration tank is filled with regeneration materials used for making the softening materials regenerate. The water inflow pipe is used for being communicated with a water source. The reversing assembly is connected with the inner container, the softening tank and the regeneration tank in a switchable mode between a first state and a second state. In the first state, the reversing assembly is used for sequentially connecting the water inflow pipe, the softening tank and the inner container in series. In the second state, the reversing assembly is used for sequentially connecting the water inflow pipe, the regeneration tank and the softening tank in series. The water heater can be used for softening the water and has the beneficial effects that scales are not likely to be generated, and the water is healthy.
Description
Technical field
The present invention relates to electrical equipment manufacturing technology field, in particular to a kind of water heater.
Background technology
Electric heater in correlation technique, directly to tap water heating, and containing the more metalliferous mineral such as calcium, magnesium ion in running water, not only easily produces scale after the heating, and affects the health of hair, skin etc. of human body.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.For this reason, the present invention proposes a kind of water heater, and this water heater can soften water, has and not easily produces the advantage such as scale, water quality health.
For achieving the above object, embodiment according to a first aspect of the invention proposes a kind of water heater, and described water heater comprises: inner bag; Softening tank, is filled with the softener material for demineralized water in described softening tank; Regenerating tank, is filled with the regrown material for making described softener material regenerate in described regenerating tank; For connecting the water inlet pipe at water source; And commutation assembly, described commutation assembly is switchably connected with described inner bag, described softening tank, described regenerating tank between a first state and a second state respectively, described water inlet pipe, described softening tank and described inner bag are connected in series by the assembly that commutates described in described first state successively, and described water inlet pipe, described regenerating tank and described softening tank are connected in series by the assembly that commutates described in described second state successively.
According to the water heater of the embodiment of the present invention, can soften water, have and not easily produce the advantage such as scale, water quality health.
In addition, water heater according to the above embodiment of the present invention can also have following additional technical characteristic:
According to one embodiment of present invention, described reversal valve is connected with the outlet of described regenerating tank, described commutation assembly and described recycled water delivery pipe for making described commutation assembly be communicated with in described recycled water delivery pipe with the outlet of described regenerating tank in described second state.
According to one embodiment of present invention, described recycled water delivery pipe is serially connected with suction pump.
According to one embodiment of present invention, described commutation assembly comprises for making water inlet pipe connect the entrance of described softening tank or the first commutating structure of the entrance of described regenerating tank and the second commutating structure for making the outlet of described softening tank connect described inner bag or recycled water delivery pipe.
According to one embodiment of present invention, described commutation assembly has first interface, second interface, 3rd interface, 4th interface, 5th interface and the 6th interface, described first interface connects described water inlet pipe, described second interface connects the entrance of described softening tank, described 3rd interface connects the outlet of described softening tank, described 4th interface connects described inner bag, described 5th interface connects the entrance of described regenerating tank, described 6th interface connects the outlet of described regenerating tank, described in described first state, first interface and described second interface are connected and described 3rd interface and described 4th interface connection, described in described second state, first interface and described 5th interface are connected and described 6th interface and described second interface are connected.
According to one embodiment of present invention, switch valve is serially connected with between described commutation assembly and described inner bag.
According to one embodiment of present invention, softening agent resin is filled with in described softening tank.
According to one embodiment of present invention, sodium chloride is filled with in described regenerating tank.
According to one embodiment of present invention, the oral siphon of described inner bag to stretch in described inner bag and the part being positioned at described inner bag is provided with multiple tap holes that the axially spaced-apart along the oral siphon of described inner bag is arranged.
According to one embodiment of present invention, be provided with heating tube in described inner bag, described heating tube is U-shaped.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water heater according to the embodiment of the present invention.
Reference numeral: water heater 1, inner bag 100, oral siphon 110, tap hole 111, heating tube 120, outlet pipe 130, softening tank 200, regenerating tank 300, water inlet pipe 400, commutation assembly 500, first interface 510, the 4th interface 540, the 5th interface 550, the 6th interface 560, reversal valve 600, recycled water delivery pipe 700, suction pump 800, switch valve 900.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings water heater 1 according to the embodiment of the present invention is described.
As shown in Figure 1, inner bag 100, softening tank 200, regenerating tank 300, water inlet pipe 400 and commutation assembly 500 is comprised according to the water heater 1 of the embodiment of the present invention.
The softener material for demineralized water is filled with in softening tank 200.The regrown material for making described softener material regenerate is filled with in regenerating tank 300.Water inlet pipe 400 is for connecting water source.Commutation assembly 500 is switchably connected with inner bag 100, softening tank 200, regenerating tank 300 between a first state and a second state respectively, at described first state commutation assembly 500, water inlet pipe 400, softening tank 200 and inner bag 100 are connected in series successively, at described second state commutation assembly 500, water inlet pipe 400, regenerating tank 300 and softening tank 200 are connected in series successively.
According to the water heater 1 of the embodiment of the present invention, by arranging softening tank 200, the softener material being used for demineralized water can be filled in softening tank 200, the softener material in softening tank 200 can be utilized to soften water, remove the calcium ions and magnesium ions in water, the water after softening is made not easily to produce incrustation scale when heating, thus can so that the cleaning of inner bag 100, and the water after can preventing water heater 1 from heating affects the hair of user and the health of skin, make that skin after user's bathing is brighter and cleaner, hair is more soft bright.
And, by arranging regenerating tank 300, the regrown material for making described softener material regenerate can be filled with in regenerating tank 300, utilizing described regrown material to regenerate described softener material, preventing described softener material to lose efficacy because using for a long time, ensure that described softener material is to water correction effect, and can not lose efficacy due to described softener material, the process changing described softener material can be saved, user-friendly further, improve the convenience of water heater 1.
In addition, by arranging commutation assembly 500, and the assembly 500 that commutates switchably is connected with inner bag 100, softening tank 200, regenerating tank 300 between a first state and a second state respectively.Like this when described first state, commutation assembly 500 can be utilized water inlet pipe 400, softening tank 200 and inner bag 100 to be connected in series successively, the water at water source place is made first to flow into softening tank 200 by water inlet pipe 400, in softening tank 200 softener material effect under carry out softening after enter inner bag 100 and heat, finally discharge water heater 1 for user.When described second state, commutation assembly 500 can be utilized water inlet pipe 400, regenerating tank 300 and softening tank 200 to be connected in series successively, the water at water source place is made first to flow into regenerating tank 300 by water inlet pipe 400, flow into softening tank 200 again, to utilize the regrown material in regenerating tank 300, the softener material in softening tank 200 is regenerated.
Therefore, the water heater 1 according to the embodiment of the present invention can soften water, has and not easily produces the advantage such as scale, water quality health.
Below with reference to the accompanying drawings water heater 1 according to the specific embodiment of the invention is described.
In specific embodiments more of the present invention, as shown in Figure 1, inner bag 100, softening tank 200, regenerating tank 300, water inlet pipe 400 and commutation assembly 500 is comprised according to the water heater 1 of the embodiment of the present invention.
Water heater 1 also comprises reversal valve 600 and recycled water delivery pipe 700, and reversal valve 600 is connected for making commutation assembly 500 be communicated with in recycled water delivery pipe 700 with the outlet of regenerating tank 300 in described second state with recycled water delivery pipe 700 with the outlet of regenerating tank 300, the assembly 500 that commutates.Commutation assembly 500 can be controlled by reversal valve 600 to be thus communicated with in the outlet of regenerating tank 300 with recycled water delivery pipe 700.Like this when needing to regenerate the softener material in softening tank 200, the outlet of regenerating tank 300 is first made to be communicated with commutation assembly 500, the water that the outlet of regenerating tank 300 is flowed out is enable to enter in softening tank 200, softener material in softening tank 200 is regenerated, after the water that regenerating tank 300 flows out acts on a period of time in softening tank 200, by reversal valve 600, commutation assembly 500 is communicated with recycled water delivery pipe 700, thus the waste water after regenerating in softening tank 200 is discharged by recycled water delivery pipe 700.Can, so that discharged by the waste water after regenerating in softening tank 200, prevent the waste water after regenerating from affecting the normal bathing of user thus.
In another specific embodiment of the present invention, regenerating tank 300 is provided with the recycled water delivery pipe 700 be communicated with regenerating tank 300, recycled water delivery pipe 700 can be provided with the control valve being used to open or close recycled water delivery pipe 700.The discharge of regenerated effluent can be realized thus equally.
Advantageously, as shown in Figure 1, recycled water delivery pipe 700 is serially connected with suction pump 800.Suction pump 800 can be utilized thus to be extracted out by the water in softening tank 200, for softening tank 200 carries out the pressure that draining provides enough, discharge to be convenient to the waste water after regenerating in softening tank 200 further.
Particularly, the assembly 500 that commutates comprises for making water inlet pipe 400 connect the first commutating structure of the softening entrance of tank 200 or the entrance of regenerating tank 300 and the second commutating structure for making the outlet of softening tank 200 connect inner bag 100 or recycled water delivery pipe 700.Described first commutating structure can be controlled thus respectively and described second commutating structure switches between described first state and described second state to make commutation assembly 500.
Alternatively, as shown in Figure 1, commutation assembly 500 has first interface 510, second interface, 3rd interface, 4th interface 540, 5th interface 550 and the 6th interface 560, first interface 510 connects water inlet pipe 400, described second interface connects the entrance of softening tank 200, described 3rd interface connects the outlet of softening tank 200, 4th interface 540 connects inner bag 100, 5th interface 550 connects the entrance of regenerating tank 300, 6th interface 560 connects the outlet of regenerating tank 300, described first state first interface 510 and described second interface connect and described 3rd interface and the 4th interface 540 connect, to connect and the 6th interface 560 and described second interface are connected at described second state first interface 510 and the 5th interface 550.Thus not only can so that softening tank 200 be connected with water inlet pipe 400 with inner bag 100, regenerating tank 300, and can so that the assembly 500 that commutates switches between described first state and described second state.
Specifically, as shown in Figure 1, the assembly 500 that commutates is located on softening tank 200.So that described second interface is connected with the import of softening tank 200, described 3rd outlet can be convenient to and be connected with the outlet of regenerating tank 300 like this.
Fig. 1 shows the water heater 1 according to the present invention's concrete example.As shown in Figure 1, commutate between assembly 500 and inner bag 100 and be serially connected with switch valve 900.Switch valve 900 can be utilized thus to control whether to be communicated with between commutation assembly 500 and inner bag 100, whether can flow in inner bag 100 with the water controlled in softening tank 200 and heat.
Particularly, softening agent resin is filled with in softening tank 200.Specifically, described softening agent resin has and can carry out with calcium ions and magnesium ions the functional ionic that exchanges.Described softening agent resin can be utilized thus to soften water, the calcium ions and magnesium ions in adsorbed water.
Alternatively, sodium chloride is filled with in regenerating tank 300.Specifically, salt solid can be filled in regenerating tank 300.Can mix with sodium chloride after water flows through regenerating tank 300 thus, flow into after forming sodium chloride solution in softening tank 200, exchanged by the calcium ions and magnesium ions in the sodium ion in sodium chloride solution and softening tank 200, enable the resin absorbing calcium ions and magnesium ions again in softening tank 200, thus realize the regeneration of described softening agent resin.
Advantageously, as shown in Figure 1, the oral siphon 110 of inner bag 100 stretches in inner bag 100, and the part that oral siphon 110 is positioned at inner bag 100 is provided with multiple tap holes 111 that the axially spaced-apart along the oral siphon 110 of inner bag 100 is arranged.Can prevent current from directly flowing to the top of inner bag 100 thus, thus the water in inner bag 100 can be enable to heat more fully.
Wherein, as shown in Figure 1, be provided with heating tube 120 in inner bag 100, heating tube 120 is U-shaped.Heating tube 120 pairs of water can be utilized thus to heat, and U-shaped heating tube can improve the contact area of heating tube 120 and water, thus improves the efficiency of heating surface.
More advantageously, as shown in Figure 1, the outlet pipe 130 of inner bag 100 can stretch in inner bag 100, and the upper end of the outlet pipe 130 of inner bag 100 upwards extends and the inner roof wall of contiguous inner bag 100.
The course of work of the water heater 1 according to the embodiment of the present invention is described below.
When water heater 1 normally uses, commutation assembly 500 is in described first state, water inlet pipe 400 is communicated with inner bag 100 with softening tank 200 successively, when containing calcium, when the water (can be running water) at the water source place of magnesium ion enters softening tank 200 by water inlet pipe 400, calcium, softening agent resin contact in magnesium ion and softening tank 200, by the functional ionic on resin and the calcium in water, magnesium ion exchanges, thus the calcium in adsorbed water, magnesium ion, thus make water not easily produce incrustation scale (calcium carbonate or magnesium carbonate) when heating, after ion-exchange, calcium, magnesium ion is just attracted on described softening agent resin, thus realize the softening of water quality.Water after softening flows to inner bag 100, is heated by the water in heating tube 120 pairs of inner bags 100, and namely what finally flow out from outlet pipe 130 is demineralized water after heating, can be used for bathing or washing.
A large amount of calcium when described softening agent resin adsorption, after magnesium ion, need to carry out regeneration process, commutation assembly 500 is now made to switch to described second state, water inlet pipe 400 is communicated with softening tank 200 with regenerating tank 300 successively, control reversal valve 600 makes regenerating tank 300 be communicated with softening tank 200 simultaneously, the water at water source place is made first to flow into regenerating tank 300 by water inlet pipe 400, water is mixed with the sodium chloride in regenerating tank 300, softening tank 200 is flowed into after forming sodium chloride solution, with with calcium, the described softening agent resin contact of magnesium ion, sodium ion and calcium ions and magnesium ions exchange, replace calcium, magnesium ion.Thus the regeneration of described softener material can be realized, be just soften ready for operation next time, described softener material entered again water is softened.
After sodium chloride solution acts on a period of time in softening tank 200, by controlling reversal valve 600, softening tank 200 is communicated with recycled water delivery pipe 700, and utilize suction pump 800 to be extracted out by the water in softening tank 200, thus prevent from the waste water after regenerating from affecting user normally using.
According to the water heater 1 of the embodiment of the present invention other form and operation be all known for those of ordinary skills, be not described in detail here.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a water heater, is characterized in that, comprising:
Inner bag;
Softening tank, is filled with the softener material for demineralized water in described softening tank;
Regenerating tank, is filled with the regrown material for making described softener material regenerate in described regenerating tank;
For connecting the water inlet pipe at water source; And
Commutation assembly, described commutation assembly is switchably connected with described inner bag, described softening tank, described regenerating tank between a first state and a second state respectively, described water inlet pipe, described softening tank and described inner bag are connected in series by the assembly that commutates described in described first state successively, and described water inlet pipe, described regenerating tank and described softening tank are connected in series by the assembly that commutates described in described second state successively.
2. water heater according to claim 1, it is characterized in that, also comprise reversal valve and recycled water delivery pipe, described reversal valve is connected with the outlet of described regenerating tank, described commutation assembly and described recycled water delivery pipe for making described commutation assembly be communicated with in described recycled water delivery pipe with the outlet of described regenerating tank in described second state.
3. water heater according to claim 2, is characterized in that, described recycled water delivery pipe is serially connected with suction pump.
4. the water heater according to any one of claim 1-3, it is characterized in that, described commutation assembly comprises for making water inlet pipe connect the entrance of described softening tank or the first commutating structure of the entrance of described regenerating tank and the second commutating structure for making the outlet of described softening tank connect described inner bag or recycled water delivery pipe.
5. water heater according to claim 4, it is characterized in that, described commutation assembly has first interface, second interface, 3rd interface, 4th interface, 5th interface and the 6th interface, described first interface connects described water inlet pipe, described second interface connects the entrance of described softening tank, described 3rd interface connects the outlet of described softening tank, described 4th interface connects described inner bag, described 5th interface connects the entrance of described regenerating tank, described 6th interface connects the outlet of described regenerating tank, described in described first state, first interface and described second interface are connected and described 3rd interface and described 4th interface connection, described in described second state, first interface and described 5th interface are connected and described 6th interface and described second interface are connected.
6. water heater according to claim 1, is characterized in that, is serially connected with switch valve between described commutation assembly and described inner bag.
7. water heater according to claim 1, is characterized in that, is filled with softening agent resin in described softening tank.
8. water heater according to claim 1, is characterized in that, is filled with sodium chloride in described regenerating tank.
9. water heater according to claim 6, is characterized in that, the oral siphon of described inner bag stretches in described inner bag and the part being positioned at described inner bag is provided with multiple tap holes that the axially spaced-apart along the oral siphon of described inner bag is arranged.
10. water heater according to claim 1, is characterized in that, is provided with heating tube in described inner bag, and described heating tube is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510418945.XA CN104990253A (en) | 2015-07-14 | 2015-07-14 | Water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510418945.XA CN104990253A (en) | 2015-07-14 | 2015-07-14 | Water heater |
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| CN104990253A true CN104990253A (en) | 2015-10-21 |
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| CN201510418945.XA Pending CN104990253A (en) | 2015-07-14 | 2015-07-14 | Water heater |
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| CN107702329A (en) * | 2017-10-30 | 2018-02-16 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN107906742A (en) * | 2017-10-30 | 2018-04-13 | 芜湖美的厨卫电器制造有限公司 | Water heater |
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| CN105571127A (en) * | 2015-12-24 | 2016-05-11 | 广东美的暖通设备有限公司 | Heat pump water heater and work control method thereof |
| CN105571127B (en) * | 2015-12-24 | 2019-07-19 | 广东美的暖通设备有限公司 | Heat pump water-heating machine and its operation control method |
| CN107702329A (en) * | 2017-10-30 | 2018-02-16 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN107906742A (en) * | 2017-10-30 | 2018-04-13 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN107906742B (en) * | 2017-10-30 | 2021-02-23 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN110207368A (en) * | 2018-02-28 | 2019-09-06 | 芜湖美的厨卫电器制造有限公司 | Soft water water heater |
| CN110207368B (en) * | 2018-02-28 | 2024-01-05 | 芜湖美的厨卫电器制造有限公司 | Soft water heater |
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