CN111076426A - Scale inhibition device for water heater - Google Patents
Scale inhibition device for water heater Download PDFInfo
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- CN111076426A CN111076426A CN201811227168.0A CN201811227168A CN111076426A CN 111076426 A CN111076426 A CN 111076426A CN 201811227168 A CN201811227168 A CN 201811227168A CN 111076426 A CN111076426 A CN 111076426A
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- water
- scale
- water heater
- channel
- scale inhibition
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 207
- 230000005764 inhibitory process Effects 0.000 title claims abstract description 64
- 239000002455 scale inhibitor Substances 0.000 claims abstract description 41
- 230000009467 reduction Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 239000008239 natural water Substances 0.000 abstract description 12
- 239000003795 chemical substances by application Substances 0.000 abstract description 8
- 230000002401 inhibitory effect Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
- F24H9/0042—Cleaning arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Domestic Plumbing Installations (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a scale inhibition device for a water heater, which comprises: the water-saving device comprises a body, a water inlet, a water outlet and a water outlet, wherein the body is provided with a water passing channel; the dirty subassembly of hindering, the dirty subassembly of hindering is established in water channel, and the subassembly of hindering is drawn together: the scale inhibitor comprises a bracket, a water passage and a water outlet, wherein the bracket is provided with a containing cavity communicated with the water passage, and the containing cavity is filled with a scale inhibitor; the slider is established in accomodating the intracavity, and along with the reduction of antisludging agent, the slider removes to the other end direction from the one end of accomodating the chamber gradually, and under the condition that accomodate intracavity antisludging agent is few, the circulation of water channel will be blocked to the slider. According to the scale inhibition device for the water heater, the scale inhibition component is arranged in the water passing channel, and the slide block interferes with the normal circulation of the water passing channel under the condition that the scale inhibitor in the containing cavity is few, so that a user is reminded of adding the scale inhibitor in time, natural water can be fully inhibited from scale and inhibiting scale before entering the water heater, the service life of the water heater is prolonged, and high-quality and healthy water is provided for the user.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a scale inhibition device for a water heater.
Background
The problem of scale formation of the water heater is a big pain point of a user all the time, and is also a big threat to the protection of the inner container of the water heater and the health of water quality. Moreover, the descaling cost is high, and the scale inhibition operation can cause certain damage to the inner container and parts. Therefore, the search for a scale inhibition and inhibition scheme becomes a key to solving the scale problem.
In order to achieve the purpose of scale inhibition and scale inhibition, the method comprises the following steps that firstly, softened resin or an adsorption material is adopted to adsorb or retain scale-forming calcium, magnesium ions, carbonate ions and the like in advance, and the operation mode needs to be periodically replaced or salt regeneration back washing and other treatment; secondly, the scale inhibitor is added, and most of the modes of adopting liquid and powdery scale inhibitors with high water solubility and compounding the scale inhibitor and other materials into a filter element and the like need to be frequently added.
The above-mentioned modes of blocking can not effectively inhibit scale and inhibit scale of water in the water heater for a long time, and after the water heater in the related art loses the function of inhibiting scale and inhibiting scale, the water heater can still be normally used, in other words, the existing water heater can not maintain the function of inhibiting scale and inhibiting scale for a long time.
Disclosure of Invention
The present invention aims to solve at least one of the above technical problems to a certain extent.
Therefore, the invention provides the scale inhibition device for the water heater, which interferes the normal circulation of a water flow channel through the sliding block, so that the scale inhibition device can be used for reminding the addition of a scale inhibitor in time and can play a role in inhibiting scale for water in the water heater for a long time.
According to the scale inhibition device for the water heater, the body is provided with a water passing channel, and the water passing channel is provided with a water inlet and a water outlet; the scale inhibition component is arranged in the water channel and comprises: the bracket is provided with a containing cavity communicated with the water passing channel, and a scale inhibitor is filled in the containing cavity; the sliding block is arranged in the containing cavity, the sliding block gradually moves from one end of the containing cavity to the other end along with the reduction of the scale inhibitor, and the sliding block can block the normal circulation of the water passing channel under the condition that the scale inhibitor in the containing cavity is few.
According to the scale inhibition device for the water heater, the scale inhibition component is arranged in the water passing channel, and the slide block interferes with the normal circulation of the water passing channel under the condition that the scale inhibitor in the containing cavity is few, so that a user is reminded of adding the scale inhibitor in time, natural water can be fully inhibited from scale and inhibiting scale before entering the water heater, the service life of the water heater is prolonged, and high-quality and healthy water is provided for the user.
In addition, the scale inhibition device for the water heater according to the embodiment of the invention can also have the following additional technical characteristics:
according to some embodiments of the invention, the bracket is removably connected to the body.
According to one embodiment of the invention, the bracket is a cavity structure with one open end, and the open end of the bracket is provided with a plug.
According to one embodiment of the invention, the circumferential wall of the bracket is provided with a water passing gap, and water in one side of the water passing channel enters the accommodating cavity through the water passing gap and then enters the other side of the water passing channel through the water passing gap.
According to an embodiment of the present invention, the scale inhibition device further comprises: the filter screen surrounds the circumferential wall of the bracket and at least partially coincides with the water passing gap.
According to one embodiment of the invention, the closed end of the bracket is provided with an elastic member, one end of the elastic member abuts against the inner end wall of the bracket, and the other end of the elastic member abuts against the sliding block to provide thrust for the sliding block.
According to an embodiment of the present invention, the scale inhibition device further comprises: the one-way stop valve is arranged in the water passing channel, and is pushed open under the condition that the water pressure at one side of the water passing channel is higher than that at the other side of the water passing channel so as to conduct the water passing channel; and under the condition that the water pressure of one side of the water passing channel is lower than that of the other side, the water passing channel is blocked.
In an optional embodiment, one side of the body is provided with a pressure relief channel, a pressure relief valve is arranged at the communication position of the pressure relief channel and the water passing channel, and when the pressure in the water heater is greater than a preset pressure, the pressure relief valve is opened to release the pressure outwards through the pressure relief channel.
In an optional embodiment, the scale inhibition device further comprises: the flow detection device is arranged in the water passing channel and connected with a main control board of the water heater, and when the flow detection device detects that the flow in the water passing channel is zero, the main control board sends out a signal for adding the scale inhibitor.
In an optional embodiment, the scale inhibition device further comprises: the two electrodes are respectively connected with a main control board of the water heater, the sliding block is contacted with the two electrodes to form a current loop when reaching the condition of blocking the normal circulation of a water flow channel, and the main control board sends out a signal for adding the scale inhibitor after receiving the current signal.
In a further optional embodiment, the scale inhibition device further comprises: the LED lamp is arranged between the two electrodes, the sliding block reaches the condition that the water flow channel is blocked from normally circulating, the sliding block is respectively contacted with the two electrodes to form a current loop, and the LED lamp is lightened.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of a scale inhibition device for a water heater according to an embodiment of the present invention, wherein a water passage is in a conducting state;
fig. 2 is a schematic structural view of a scale inhibition device for a water heater according to one embodiment of the present invention, wherein a water passage is in a blocked state;
fig. 3 is a schematic structural view of a scale inhibition device for a water heater according to another embodiment of the present invention, wherein a water passage is in a conducting state;
fig. 4 is a schematic structural view of a scale inhibition device for a water heater according to another embodiment of the present invention, in which a water passage is in a blocked state;
fig. 5 is a schematic structural view of a scale inhibition device for a water heater according to still another embodiment of the present invention, in which a water passage is in a conduction state;
fig. 6 is a schematic structural view of a scale inhibition device for a water heater according to still another embodiment of the present invention, in which a water passage is in a blocked state;
FIG. 7 is a schematic structural view of a stent according to some embodiments of the present invention;
fig. 8 is a perspective view of a stent according to some embodiments of the present invention.
Reference numerals:
a scale inhibition device 100;
a body 10; a water passage 11; a water inlet 111; a water outlet 112; a pressure relief channel 14;
a scale inhibiting assembly 20;
a bracket 21; a receiving cavity 211; a water passing gap 212;
a slider 22;
a plug 23;
a filter screen 24;
an elastic member 25;
a one-way shutoff valve 30;
a pressure relief valve 40;
a flow rate detection device 50;
an electrode 60;
an LED lamp 70.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1 to 6, a scale inhibition device 100 for a water heater according to an embodiment of the present invention will be described. In order to avoid the formation of scale which is difficult to remove on the inner container wall of the water heater, ions which are easy to form scale in natural water are removed in advance by the scale inhibition device 100 before the natural water enters the inner container, thereby realizing the purposes of scale inhibition and scale inhibition of the water heater.
As shown in fig. 1 to 6, the scale inhibition device 100 may generally include: the scale inhibition device comprises a body 10 and a scale inhibition component 20, wherein the body 10 is provided with a water passage 11, the water passage 11 is provided with a water inlet 111 and a water outlet 112, and the scale inhibition component 20 is arranged in the water passage 11. Namely, the water inlet 111 of the body 10 is communicated with a municipal natural water system, and water flows into the liner through the water outlet 112 of the body 10 after the scale inhibition and scale inhibition of the scale inhibition component 20.
Specifically, as shown in fig. 1 to 6, the scale inhibition assembly 20 includes: a bracket 21 and a slider 22. The bracket 21 is provided with a containing cavity 211 communicated with the water passing channel 11, and the containing cavity 211 is filled with scale inhibitor. The slider 22 is disposed in the housing chamber 211, and as the scale inhibitor decreases, the slider 22 gradually moves from one end of the housing chamber 211 to the other end, and when the scale inhibitor is very little in the housing chamber 211, the slider 22 will block the flow of the water passage 11.
That is, the sliding block 22 is movably disposed in the receiving cavity 211, and as the antisludging agent is consumed, the sliding block 22 can block water flow from entering the water channel 11. It should be noted that "blocking" may be only to reduce the flow rate of the water passage 11 (i.e. the flow rate in the water passage 11 is between zero and the maximum value), and the flow rate in the water passage 11 may also be zero (i.e. the slider completely blocks the water passage, and no water flows in the water passage 11).
In other words, under the condition that the scale inhibitor is few, because the effect of blockking of slider 22, the water heater will be unable normal use, like this, when the user finds that the water heater is unable to go out water or the water yield reduces, the user can consciously look over whether still possess sufficient scale inhibitor in the holding cavity, if really because the scale inhibitor does not have, the slider has blockked rivers, then the user can in time add the scale inhibitor, guarantees that the water heater normally works and can be prevented incrustation effectively.
It should be noted that, because the antisludging agent is usually in powder form, the "very small amount of antisludging agent" described in this application does not mean that there is no antisludging agent in the receiving cavity 211, and may exist very small amount, but in this case, the slide block 22 already affects the flow rate of the water passage 11.
In short, according to the scale inhibition device 100 for the water heater provided by the embodiment of the invention, the scale inhibition component 20 is arranged in the water passage 11, and the slider 22 interferes with the normal circulation of the water passage 11 under the condition that the scale inhibitor in the accommodating cavity 211 is very little, so that a user is reminded to add the scale inhibitor in time, natural water can be fully inhibited and scaled before entering the water heater, the service life of the water heater is prolonged, and high-quality and healthy water is provided for the user.
In order to facilitate the timely addition of the scale inhibitor by the user, in some embodiments of the present invention, the bracket 21 is detachably connected to the body 10. For example, as shown in fig. 1 to 6 in conjunction with fig. 7 and 8, the bracket 21 and the body 10 are connected by a screw, and in the case where the bracket 21 is inserted into the body 10, the bracket 21 is provided with an external screw and the body 10 is provided with an internal screw engaged with the external screw. Of course, the above is only illustrative, and the bracket 21 and the body 10 may be connected by a snap-fit manner.
In some alternative embodiments of the present invention, the bracket 21 is a cavity structure with one open end, and the open end of the bracket 21 is provided with a plug 23. The plug 23 can limit the scale inhibitor in the containing cavity 211, so as to prevent the scale inhibitor from flowing along the axial direction of the bracket 21. In other words, the water flow in the water passage 11 crosses the receiving cavity 211, i.e. the flow direction of the water flow intersects with the extending direction of the bracket 21, so that the water flow can be ensured to be fully contacted with the scale inhibitor, and the effects of scale inhibition and scale inhibition are improved.
Further alternatively, referring to fig. 7 and 8 in combination with fig. 1 to 6, the circumferential wall of the bracket 21 is provided with a water passing slit 212, and water in one side (lower end in fig. 1) of the water passing channel 11 enters the accommodating chamber 211 through the water passing slit 212 and enters the other side (upper end in fig. 1) of the water passing channel 11 through the water passing slit 212. Namely, the support 21 is provided with a water passing hole corresponding to the water passing channel 11, so that water flow can enter the water heater only after contacting with the scale inhibitor in the containing cavity 211, and the purposes of scale inhibition and scale inhibition are achieved.
In an alternative example, the scale inhibition device 100 may further include: a filter screen 24. The filter screen 24 surrounds the circumferential wall of the bracket 21 and at least partially coincides with the water passing gap 212. Wherein the filter screen 24 can be partially around the perisporium of support 21, and filter screen 24 sets up in the import and/or the exit of accomodating the chamber 211 promptly, filters the coarse particle material in the rivers, and in addition, the filter screen also can prevent that antisludging agent from getting into the inner bag in, further improves the quality of water that gets into the inner bag.
In other alternative embodiments of the present invention, as shown in fig. 1-6, the closed end of the bracket 21 is provided with an elastic member 25, one end of the elastic member 25 abuts against the inner end wall of the bracket 21, and the other end of the elastic member 25 abuts against the sliding block 22 to provide a pushing force to the sliding block 22. Referring to fig. 1, 3 and 5, the housing chamber 211 is filled with a sufficient amount of the scale inhibitor, and in this state, the elastic member 25 (for example, a compression spring) is in a compressed state, and applies a thrust to the slider 22, and the slider 22 moves in the axial direction of the housing chamber 211 as the scale inhibitor decreases. When the antisludging agent is almost consumed, the elastic force of the elastic member 25 drives the sliding block 22 to reach a predetermined position to block the circulation of the water passage 11, i.e. to close the water outlet 112 of the bracket 21. It will be appreciated that after the receiving chamber 211 is filled with the anti-scalant again, the elastic member 25 returns to the compressed state.
In other alternative embodiments of the present invention, the scale inhibition device 100 may include: a one-way shut-off valve 30. The one-way stop valve 30 is arranged in the water passing channel 11, under the condition that the water pressure at one side of the water passing channel 11 is higher than that at the other side, the one-way stop valve 30 is pushed open, and at the moment, the water passing channel 11 is conducted; in the case where the water pressure of one side of the water passage 11 is lower than that of the other side, the one-way cutoff valve 30 is closed, blocking the normal circulation of the water passage 11. Wherein, water channel 11 one side and municipal administration nature water pipe intercommunication, water channel 11 opposite side and the inner bag intercommunication of water heater. That is, only when one side of the water passage 11 is communicated with the municipal natural water pipe and the water pressure in the municipal natural water pipe is higher than the water pressure of the inner container of the water heater, the one-way stop valve 30 is opened to convey the natural water to the inner container of the water heater. When the water pressure of the inner container of the water heater is higher than the water pressure in the municipal natural water pipe, the one-way stop valve 30 is not opened, so that the water in the inner container of the water heater is prevented from flowing backwards.
Further alternatively, as shown in fig. 1 to 6, one side of the body 20 is provided with a pressure relief channel 14, a pressure relief valve 40 is arranged at a communication position of the pressure relief channel 14 and the water passing channel 11, and when the pressure in the water heater is higher than a predetermined pressure, the pressure relief valve 40 is opened to release the pressure outwards through the pressure relief channel 14. As shown in fig. 1-6, the pressure relief channel 14 is located at one side of the body, and the pressure relief channel 14 is communicated with the other side of the water passage 11 (e.g., the upper end of the body in fig. 1) and is not communicated with one side of the water passage 11 (e.g., the lower end of the body in fig. 1), so that when the pressure of the water heater is too high, part of water in the water heater can be discharged through the pressure relief channel 14 but does not flow back to the municipal natural water pipe, thereby preventing the water in the water heater from being in series flow with the water in the municipal natural water pipe.
In other embodiments of the present invention, the scale inhibition device 100 may further include: the flow detection device 50 and the flow detection device 50 are arranged in the water passing channel 11 and connected with the main control board of the water heater, and when the flow detection device 50 detects that the flow in the water passing channel 11 is zero, the main control board sends out a signal for adding the scale inhibitor, so that a user is reminded of adding the scale inhibitor in time.
In some embodiments of the present invention, the scale inhibition device 100 may further include: the two electrodes 60 are respectively connected with a main control board of the water heater, when the slide block 22 reaches the condition of blocking the normal circulation of a water flow channel, the slide block 22 is respectively contacted with the two electrodes 60 to form a current loop, and the main control board sends out a signal for adding the scale inhibitor after receiving the current signal.
In still other embodiments of the present invention, the LED lamp is disposed between the two electrodes 60, and when the slider 22 reaches the position of blocking the normal flow of the water channel 11, the slider 22 contacts the two electrodes 60 to form a current loop, and the LED lamp 70 is illuminated. Therefore, the user can clearly see that the scale inhibitor is little when seeing the LED lamp 70 to light, so that the scale inhibitor is added in time, and the normal and stable work of the water heater is ensured.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (11)
1. A scale inhibition device for a water heater, comprising:
a body formed with a water passage having a water inlet and a water outlet;
the scale inhibition component is arranged in the water channel and comprises:
the bracket is provided with a containing cavity communicated with the water passing channel, and a scale inhibitor is filled in the containing cavity;
the sliding block is arranged in the containing cavity, the sliding block gradually moves from one end of the containing cavity to the other end along with the reduction of the scale inhibitor, and the sliding block can block the normal circulation of the water passing channel under the condition that the scale inhibitor in the containing cavity is few.
2. The scale inhibition device for a water heater as claimed in claim 1, wherein the bracket is detachably connected with the body.
3. The scale inhibition device for the water heater as claimed in claim 1, wherein the bracket is a cavity structure with one open end, and the open end of the bracket is provided with a plug.
4. The scale inhibition device for the water heater as claimed in claim 3, wherein the circumferential wall of the bracket is provided with a water passing gap, and water in one side of the water passing channel enters the containing cavity through the water passing gap and then enters the other side of the water passing channel through the water passing gap.
5. The scale inhibition device for a water heater according to claim 4, further comprising: the filter screen surrounds the circumferential wall of the bracket and at least partially coincides with the water passing gap.
6. The scale inhibition device for the water heater as claimed in claim 1, wherein the closed end of the bracket is provided with an elastic member, one end of the elastic member abuts against the inner end wall of the bracket, and the other end of the elastic member abuts against the sliding block to provide thrust for the sliding block.
7. The scale inhibition device for a water heater according to claim 1, further comprising: the one-way stop valve is arranged in the water passing channel, and is pushed open under the condition that the water pressure at one side of the water passing channel is higher than that at the other side of the water passing channel so as to conduct the water passing channel; and under the condition that the water pressure of one side of the water passing channel is lower than that of the other side, the water passing channel is blocked.
8. The scale inhibition device for the water heater according to claim 1, wherein a pressure relief channel is arranged on one side of the body, a pressure relief valve is arranged at a communication position of the pressure relief channel and the water passing channel, and when the pressure in the water heater is higher than a predetermined pressure, the pressure relief valve is opened to release the pressure outwards through the pressure relief channel.
9. The scale inhibition device for a water heater according to claim 1, further comprising: the flow detection device is arranged in the water passing channel and connected with a main control board of the water heater, and when the flow detection device detects that the flow in the water passing channel is zero, the main control board sends out a signal for adding the scale inhibitor.
10. The scale inhibition device for a water heater according to claim 1, further comprising: the two electrodes are respectively connected with a main control board of the water heater, the sliding block is contacted with the two electrodes to form a current loop when reaching the condition of blocking the normal circulation of a water flow channel, and the main control board sends out a signal for adding the scale inhibitor after receiving the current signal.
11. The scale inhibition device for a water heater according to claim 10, further comprising: the LED lamp is arranged between the two electrodes, the sliding block reaches the condition that the water flow channel is blocked from normally circulating, the sliding block is respectively contacted with the two electrodes to form a current loop, and the LED lamp is lightened.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227168.0A CN111076426B (en) | 2018-10-22 | 2018-10-22 | Scale inhibitor for water heater |
| PCT/CN2019/090422 WO2020010976A1 (en) | 2018-07-09 | 2019-06-06 | Scale inhibition device, water inlet valve assembly and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227168.0A CN111076426B (en) | 2018-10-22 | 2018-10-22 | Scale inhibitor for water heater |
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| Publication Number | Publication Date |
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| CN111076426A true CN111076426A (en) | 2020-04-28 |
| CN111076426B CN111076426B (en) | 2024-04-02 |
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| CN201811227168.0A Active CN111076426B (en) | 2018-07-09 | 2018-10-22 | Scale inhibitor for water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237237A (en) * | 2021-04-27 | 2021-08-10 | 华帝股份有限公司 | Scale inhibitor replacement reminding method for pre-filter and water heater |
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| CN111076426B (en) | 2024-04-02 |
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