CN212006258U - Electric water heater capable of sensing temperature and discharging sewage - Google Patents
Electric water heater capable of sensing temperature and discharging sewage Download PDFInfo
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- CN212006258U CN212006258U CN202020091329.4U CN202020091329U CN212006258U CN 212006258 U CN212006258 U CN 212006258U CN 202020091329 U CN202020091329 U CN 202020091329U CN 212006258 U CN212006258 U CN 212006258U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 85
- 239000010865 sewage Substances 0.000 title claims description 31
- 238000007599 discharging Methods 0.000 title claims description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 77
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 53
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical group [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 26
- 230000005389 magnetism Effects 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002937 thermal insulation foam Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The application discloses electric water heater that can temperature sensing blowdown belongs to the domestic appliance field. The electric water heater comprises an inner container, a magnetic transmission structure and a valve; the valve comprises a valve shell and a valve closing part, wherein the valve shell comprises a fluid channel, and the valve closing part opens and closes the fluid channel; the magnetic transmission structure comprises a fixed support, a temperature sensing magnet, a permanent magnet and a transmission piece, wherein one end of the fixed support is arranged in the inner container and connected with the temperature sensing magnet, and the other end of the fixed support is connected with the valve shell; the temperature sensing magnet is arranged opposite to the permanent magnet; the permanent magnet is connected with one end of the transmission piece, and the other end of the transmission piece extends towards the direction of the valve closing part; the temperature sensing magnet lower than the Curie temperature is close to the permanent magnet, so that the second end of the transmission piece is far away from the valve closing part, and the valve closing part can open and close the fluid channel; the temperature sensing magnet higher than the Curie temperature is magnetically far away from the permanent magnet, so that the second end of the transmission piece is connected with the valve closing part, and the valve closing part keeps closing the fluid passage.
Description
Technical Field
The application relates to an electric water heater capable of sensing temperature and discharging sewage, belonging to the field of household appliances.
Background
At present, electric water heaters in the market are generally provided with a pollution discharge structure and are connected with a magnesium rod. The pollution discharge structure is disassembled by a special tool, a special wrench is needed for some pollution discharge structures, and automatic pollution discharge is also achieved for some pollution discharge structures. Most of the sewage discharge devices do not have the warning prompt for the overhigh temperature of the liner, and when the temperature in the liner is overhigh, the situation that a consumer is scalded is frequently rare because the condition of the temperature of the liner cannot be intuitively known and the blow-down valve is opened. On one hand, even if the water heater part is equipped with the temperature detection structure in the market to remind the temperature condition of user's inner bag, but also can only remind the user, and can not do and force the effect that the user can not open the blowoff valve, if the user goes to open the blowoff valve because neglect the temperature and remind the user can scald the user the same way. On the other hand, the blowdown of electric water heater reminds or blowdown control structure needs circuit control mostly in the existing market, in case user's house outage, that so-called blowdown is reported to the police, and inner bag temperature information suggestion user also can't learn, if the temperature of the water in the inner bag is too high this moment, the user can scald the user in case open the blowoff valve.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the application provides an electric water heater capable of discharging sewage with temperature sensing, and the electric water heater can judge whether the water temperature in the inner container of the water heater is suitable for opening a sewage discharging valve through a magnetic transmission structure under the condition that a user is powered off and water is cut off at home, if the water temperature of the inner container is too high, the user is prevented from opening the sewage discharging valve through the magnetic transmission structure, and if the water temperature of the inner container is lower, the user is not prevented from opening the sewage discharging valve any more through the magnetic transmission structure, namely, the user can freely open the sewage discharging valve, and the 'reminding' of sewage; and the user can open the waste valve without the aid of special devices.
The electric water heater capable of sensing temperature and discharging sewage comprises an inner container, and is characterized by also comprising a magnetic transmission structure and a valve;
the valve comprises a valve shell and a valve closing component, wherein the valve shell comprises a fluid channel, and the valve closing component opens and closes the fluid channel;
the magnetic transmission structure comprises a fixed support, a temperature sensing magnet, a permanent magnet and a transmission piece, wherein one end of the fixed support is arranged in the inner container and is connected with the temperature sensing magnet, and the other end of the fixed support is connected with the valve shell; the temperature sensing magnet is arranged opposite to the permanent magnet; the permanent magnet is connected with the first end of the transmission piece, and the second end of the permanent magnet extends towards the direction of the valve closing part;
the temperature sensing magnet is close to the permanent magnet below the Curie temperature, so that the second end of the transmission piece is far away from the valve closing part, and the valve closing part can open and close the fluid channel; the temperature sensing magnet is far away from the permanent magnet and is higher than the Curie temperature, so that the second end of the transmission piece is connected with and positions the valve closing part, and the valve closing part keeps closing the fluid channel.
Optionally, the magnetic transmission structure is arranged above the valve, the inner side of the top end of the fixed support is connected with the temperature sensing magnet, and the permanent magnet is arranged below the temperature sensing magnet;
the magnetic transmission structure further comprises an elastic piece, and the elastic piece supports the permanent magnet and provides driving force for the permanent magnet to the direction of the temperature sensing magnet.
Optionally, the magnetic transmission structure is disposed above the valve, an axial direction of the transmission member is disposed in parallel with an axial direction of the fluid passage, and an axial direction of the transmission member is perpendicular to an axial direction of the valve closing member;
the valve closing component comprises an operating handle, a rotating shaft and a ball valve, the valve shell is provided with an accommodating cavity, the handle is connected with the rotating shaft arranged in the accommodating cavity, and the rotating shaft is connected with the ball valve in the fluid channel;
the rotating shaft is provided with a rotation control hole matched with the second end of the transmission piece, and the second end of the transmission piece enters and is far away from the rotation control hole from the pore passage of the valve shell to control whether the valve closing component can open and close the fluid channel.
Optionally, a rotation limiting track is arranged along the axial circumference of the rotating shaft; the valve closing assembly further comprises a limiting part, and the limiting part is matched with the rotary limiting track after penetrating through the valve shell so as to limit the rotating angle of the rotating shaft.
Optionally, the valve closing device further comprises a sealing assembly arranged at one end of the magnesium rod and used for sealing the magnetic transmission structure, the fixing support is a magnesium rod with a hollow structure inside, and the transmission piece penetrates through the magnesium rod from the permanent magnet and then extends to the valve closing component.
Optionally, a sinking platform is arranged at one end of the magnesium rod, the sealing assembly is arranged in the sinking platform, an external thread is arranged outside the side wall of the sealing assembly, and an internal thread matched with the external thread is arranged in the side wall of the sinking platform;
the valve shell is provided with a support table connected with the other end of the magnesium rod.
Optionally, the sealing assembly comprises a sealing cap and a sealing ring which are in threaded connection, the external thread is arranged on the side wall of the sealing ring, the temperature sensing magnet is arranged close to the inner surface of the sealing cap, a ring platform is arranged at the connecting end of the sealing ring and the magnesium rod, and the elastic piece is abutted between the ring platform and the permanent magnet.
Optionally, a clamping portion used for increasing the contact area is arranged on the inner surface of the sealing cap, the temperature sensing magnet is provided with a matching portion connected with the clamping portion, the sealing ring is provided with a sliding block matched with the inner wall profile of the sealing ring, and the sliding block is fixedly connected with the permanent magnet so as to limit the permanent magnet to move along the axial direction of the sealing ring.
Optionally, the temperature sensing magnet further comprises a water inlet structure and a water outlet structure, wherein the magnetic transmission structure is arranged in the inner container so as to enable the temperature sensing magnet to be consistent with the water temperature in the inner container; the valve is arranged outside the inner container so as to adjust the valve closing component to open and close the fluid channel.
Optionally, the electric water heater further comprises an insulating layer arranged outside the inner container;
the inner bag sets up the opening, magnetism transmission structure follows the opening stretches into the inner bag in, the opening sets up outside turn-ups, the turn-ups tip is less than the heat preservation surface, the top of valve housing sets up the seal groove, the turn-ups with the seal groove block sets up.
Benefits that can be produced by the present application include, but are not limited to:
1. the application provides an electric water heater that can temperature sensing blowdown, have under the circumstances of user's house outage water-break, can judge whether the temperature in the water heater inner bag is fit for opening the blowdown valve through magnetism transmission structure, if the inner bag temperature is too high will prevent the user to open the blowdown valve through magnetism transmission structure, if the inner bag temperature is lower, magnetism transmission structure will no longer prevent the user to open the blowdown valve, promptly the user can freely open the blowdown valve, can realize blowdown "remind" without circuit control.
2. The electric water heater capable of sensing the temperature and discharging the sewage, provided by the application, has the advantage that a user can open the sewage discharging valve without a specific device.
3. The application provides an electric water heater that can temperature sensing blowdown, the magnetic attraction of temperature sensing magnet and permanent magnet needs to be greater than the gravity of permanent magnet, the permanent magnet just can rise and then drive the driving medium and keep away from the valve and close the subassembly, then provide magnetic attraction in order to avoid using bulky temperature sensing magnet and permanent magnet, magnetism transmission structure sets up the elastic component, the elastic component supports the permanent magnet and provides the drive power of permanent magnet to the temperature sensing magnet direction, drive power is less than the gravity of permanent magnet subassembly.
4. The electric water heater capable of discharging sewage with temperature sensing provided by the application has the advantages of simple structure and sensitive control in the arrangement mode of the magnetic transmission structure.
5. The utility model provides an electric water heater that can temperature sensing blowdown, the handle is established to the plum blossom handle, then conveniently exerts oneself when rotating the handle, grips comfortablely, does not need appurtenance to rotate the handle, and customer experience feels good.
6. The electric water heater that can temperature sensing blowdown that this application provided, rotatory spacing track sets up along the half cycle of pivot to with handle pivoted angle control within 90, control ball valve opening from closed to opening the maximum angle, the user can clearly know the ball valve and close and open the maximum position, prevent the rotation of too much handle and fragile valve, user degree experience height. The limiting part can be set as a screw, and the valve shell is provided with a thread channel matched with the screw so as to fix the screw on the valve shell.
7. The electric water heater that can temperature sensing blowdown that this application provided sets up magnetic drive structure's fixed bolster into the inside magnesium stick that is equipped with hollow structure, and electric water heater conveniently assembles, reduces the quantity of the part of processing and improves electric water heater's integrated nature.
8. The application provides an electric water heater that can temperature sensing blowdown, sealing cap are the aluminium material to conveniently conduct heat to the temperature sensing magnet, reduce the error of the temperature sensing magnet response inner bag in.
9. The electric water heater that can temperature sensing blowdown that this application provided has improved the leakproofness of the junction of inner bag and valve in the mode of setting up of the junction of inner bag and valve, has reduced the volume of valve protrusion and inner bag, and this mounting means is convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic sectional front view of an electric water heater according to an embodiment of the present application;
fig. 2 is a schematic cross-sectional perspective view of an electric water heater according to an embodiment of the present application;
fig. 3 is a perspective view of a magnetic transmission structure and a valve according to an embodiment of the present application;
FIG. 4 is a schematic cross-sectional front view of a magnetic actuator and valve opening according to an embodiment of the present application;
FIG. 5 is a schematic cross-sectional perspective view of a magnetic actuator and valve opening according to an embodiment of the present application;
fig. 6 is a perspective view of a valve according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of a valve according to an embodiment of the present disclosure in a front view;
FIG. 8 is a schematic cross-sectional view of a valve according to an embodiment of the present application;
FIG. 9 is a schematic illustration, partially broken away, in section, of a magnetic actuator structure and valve opening in accordance with an embodiment of the present application;
FIG. 10 is a schematic, partially broken away, cross-sectional view of a magnetic actuator structure and valve closure according to an embodiment of the present application;
FIG. 11 is a schematic cross-sectional view of a valve with a second end of a driver coupled to a valve closure member according to an embodiment of the present application;
FIG. 12 is a schematic cross-sectional view of a valve with a second end of a driver coupled to a valve closure member according to an embodiment of the present application;
FIG. 13 is a schematic cross-sectional view of the valve with the second end of the actuator of the present application separated from the valve closure member;
FIG. 14 is a schematic cross-sectional view of the valve with the second end of the actuator and the valve closure member separated according to an embodiment of the present application;
fig. 15 is a graph showing a relationship between the sum of the magnetic attraction force of the induction magnet and the permanent magnet and the spring force and the temperature according to the embodiment of the present application;
fig. 16 is a graph showing a relationship between spring force and temperature according to an embodiment of the present application.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
So that the manner in which the above recited objects, features and advantages of the present application can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
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 application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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.
Referring to fig. 1-4, an embodiment of the present application discloses an electric water heater capable of temperature-sensing sewage discharge, which includes an inner container 100, a magnetic transmission structure 200 and a valve 300; the valve 300 includes a valve housing 310 and a valve closing member 320, the valve housing 310 includes a fluid passage 312, and the valve closing member 320 opens and closes the fluid passage 312; the magnetic transmission structure 200 includes a fixing bracket 210, a temperature sensing magnet 220, a permanent magnet 230 and a transmission member 240, one end of the fixing bracket 210 is disposed in the inner container 100 and connected with the temperature sensing magnet 220, and the other end is connected with the valve housing 310; the temperature sensing magnet 220 is disposed opposite to the permanent magnet 230; the permanent magnet 230 is connected to a first end 241 of the transmission member, the second end of which extends in the direction of the valve closing member 320; the temperature-sensing magnet 220 is close to the permanent magnet 230, so that the second end 242 of the transmission member is far away from the valve closing member 320, and the valve closing member 320 can open and close the fluid passage 312; the temperature-sensitive magnet 220 is away from the permanent magnet 230 above the curie temperature such that the second end 242 of the transmission member is coupled to position the valve closing member 320, the valve closing member 320 maintaining the fluid passage 312 closed. The electric water heater can judge whether the water temperature in the inner container 100 of the water heater is suitable for opening the drain valve 300 or not through the magnetic transmission structure 200 under the condition that the water is cut off when a user is in power failure, if the water temperature in the inner container 100 is too high, the user is prevented from opening the drain valve 300 through the magnetic transmission structure 200, and if the water temperature in the inner container 100 is low, the magnetic transmission structure 200 can not prevent the user from opening the drain valve 300 any more, namely, the user can freely open the drain valve 300, and the drain reminding can be realized without circuit control.
As will be understood by those skilled in the art, the temperature-sensitive magnet 220 has strong magnetism below the curie temperature of the temperature-sensitive magnet 220, and strong magnetic attraction with the permanent magnet 230; when the temperature-sensitive magnet 220 is higher than the curie temperature of the temperature-sensitive magnet 220, the magnetism of the temperature-sensitive magnet 220 is weak, and the magnetic attraction force with the permanent magnet 230 is weak. The temperature sensing magnet 220 may be magnetic steel having a curie temperature of 40 ± 10 ℃, preferably, 40 ℃. The distance temperature of the permanent magnet 230 is higher than the curie temperature of the temperature sensing magnet 220, the curie temperature of the permanent magnet 230 is not less than 50 ℃, and the permanent magnet 230 may be a magnet.
Referring to fig. 3-5, the relative positions of the magnetic actuator 200 and the valve 300 may be arbitrarily set. In one embodiment, the magnetic transmission structure 200 is disposed above the valve 300 for convenience of processing, the inner side of the top end of the fixing bracket 210 is connected to the temperature sensing magnet 220, and the permanent magnet 230 is disposed below the temperature sensing magnet 220. This setting mode's temperature-sensing magnet 220 and permanent magnet 230's magnetic attraction need be greater than the gravity of permanent magnet 230, permanent magnet 230 can rise and then drive driving medium 240 and keep away from valve 300 and close the subassembly, then in order to avoid using bulky temperature-sensing magnet 220 and permanent magnet 230 to provide magnetic attraction, magnetism transmission structure 200 sets up elastic component 250, elastic component 250 supports permanent magnet 230 and provides the drive power of permanent magnet 230 to temperature-sensing magnet 220 direction, drive power is less than the gravity of permanent magnet 230 subassembly. Of course, when the permanent magnet 230 has a component connected to move together with the permanent magnet 230, the gravity of the permanent magnet 230 is the gravity of the component of the permanent magnet 230. Specifically, when the elastic member 250 is disposed below the permanent magnet 230, the elastic member 250 is a spring; when the elastic member 250 is disposed above the permanent magnet 230, the elastic member 250 is a tension spring.
In one embodiment, the top end of the fixing bracket 210 is provided with an opening structure, so that the temperature sensing magnet 220 directly contacts with the water in the inner container 100 to sense the temperature; or the top end of the fixing support 210 is set to be a closed end, the closed end is made of aluminum, the aluminum has good thermal conductivity, heat can be better transferred to the temperature sensing magnet 220, and the accuracy of the electric water heater for controlling the drain valve is improved.
Referring to fig. 3 to 8, in particular, the magnetic transmission structure 200 is disposed above the valve 300, the axial direction of the transmission member 240 is disposed in parallel with the axial direction of the fluid passage 312, and the axial direction of the valve closing member 320 of the transmission member 240 is disposed perpendicularly; the valve closing member 320 comprises an operating handle 321, a rotating shaft 322 and a ball valve 323, the valve housing 310 is provided with a containing cavity 313, the handle 321 is connected with the rotating shaft 322 arranged in the containing cavity 313, and the rotating shaft 322 is connected with the ball valve 323 in the fluid passage 312; the shaft 322 is provided with a rotation control hole 324 engaged with the second end 242 of the driving member, and the second end 242 of the driving member enters the rotation control hole 324 from the orifice of the valve housing 310, so that the valve closing member 320 cannot open or close the body passage; the second end 242 of the transmission member is spaced from the rotation control aperture 324 from the aperture of the valve housing 310, and the valve closing member 320 can open or close the fluid passageway 312. The setting mode is simple in structure and sensitive in control. Preferably, the operating handle 321 is a plum blossom handle 321, so that the operating handle 321 is conveniently and forcefully rotated, the holding is comfortable, an auxiliary tool is not required to rotate the operating handle 321, and the experience of a user is good.
In order to better control the rotation angle of the ball valve 323, a rotation limiting track 325 is arranged along the circumferential direction of the shaft of the rotating shaft 322; the closing assembly of the valve 300 further includes a limiting member 311, and the limiting member 311 is disposed in cooperation with the rotation limiting rail 325 after passing through the valve housing 310 to limit the rotation angle of the rotating shaft 322. Preferably, the rotation limiting track 325 is arranged along the half-circle of the rotating shaft 322 to control the rotation angle of the handle 321 within 90 °, and control the opening of the ball valve 323 from being closed to being opened at the maximum angle, so that the user can clearly know the maximum closing and opening positions of the ball valve 323, and the valve 300 is prevented from being damaged easily due to excessive rotation of the handle 321, and the user experience is high. The position-limiting member 311 may be configured as a screw, and the valve housing 310 is configured with a threaded passage for engaging with the screw, so as to fix the screw to the valve housing 310.
In order to purify the water in the inner container 100, a purified water magnesium rod is installed in the inner container 100. Further, in order to facilitate assembly of the electric water heater, reduce the number of parts to be processed, and improve integration of the electric water heater, the fixing bracket 210 of the magnetic transmission structure 200 is configured as a magnesium rod having a hollow structure inside, and the fixing bracket 210 is a transmission member 240 extending from the permanent magnet 230 to the valve closing member 320 after penetrating through the magnesium rod.
In order to improve the sealing performance of the magnetic transmission structure 200, the electric water heater further comprises a sealing component 260 arranged at one end of the magnesium rod and used for sealing the magnetic transmission structure 200, a sinking platform is arranged at one end of the magnesium rod, the sealing component 260 is arranged in the sinking platform, external threads 2621 are arranged outside the side wall of the sealing component 260, and internal threads matched with the external threads 2621 are arranged in the side wall of the sinking platform; the valve housing 310 is provided with a support platform connected to the other end of the magnesium rod.
Specifically, the sealing assembly 260 includes a sealing cap 261 and a sealing ring 262 that are connected by a thread, the external thread 2621 is provided on the sidewall of the sealing ring 262, the temperature sensing magnet 220 is tightly attached to the inner surface of the sealing cap 261, a ring platform 2622 is provided at the connecting end of the sealing ring 262 and the magnesium rod, and the elastic member 250 is abutted between the ring platform 2622 and the permanent magnet 230. Preferably, the sealing cap 261 is made of an aluminum material to facilitate heat conduction to the temperature sensing magnet 220, thereby reducing an error in which the temperature sensing magnet 220 senses the temperature of water in the inner container 100.
In one embodiment, the inner surface of the sealing cap 261 is provided with a snap part 2611 for increasing the contact area, the temperature sensing magnet 220 is provided with a matching part 221 connected with the snap part 2611, the sealing ring 262 is provided with a slider 2623 matched with the contour of the inner wall thereof, and the slider 2623 is fixedly connected with the permanent magnet 230 so as to limit the permanent magnet 230 to move along the axial direction of the sealing ring 262.
As an embodiment of the electric water heater, the electric water heater includes an inner container 100, a magnetic transmission structure 200, a valve 300, a water inlet structure 400 and a water outlet structure 500, wherein the magnetic transmission structure 200 is disposed in the inner container 100 to make the temperature sensing magnet 220 consistent with the water temperature in the inner container 100; the valve 300 is disposed outside the inner container 100 to adjust the valve closing member 320 to open and close the fluid passage 312.
Specifically, the water heater further comprises a heat insulation layer 600 arranged outside the inner container 100; the inner container 100 is provided with an opening, the magnetic transmission structure 200 extends into the inner container 100 from the opening, the opening is provided with an outward flange 110, the end part of the flange 110 is lower than the outer surface of the heat insulation layer 600, the top of the valve shell 310 is provided with a sealing groove 314, and the flange 110 is clamped with the sealing groove 314. The arrangement mode improves the sealing performance of the joint of the inner container 100 and the valve 300, reduces the volume of the protrusion of the valve 300 and the inner container 100, and is convenient to install. For example, the insulation layer 600 may be an insulation foam.
Referring to fig. 15 and 16, as an embodiment, a control method of the blowdown valve 300 of the electric water heater according to the present application is described by taking magnetic steel of which the curie temperature of the temperature sensing magnet 220 is 40 ℃ as an example, and the curie temperature is not limited to 40 ℃.
The valve closing member 320 is capable of opening and closing the fluid passage 312: when the electric water heater needs to discharge sewage, the water temperature of the inner container 100 of the electric water heater is less than 40 ℃ (curie temperature), at the moment, the water temperature of the inner container 100 is transmitted to the temperature sensing magnet 220 through the sealing cap 261, according to the characteristic of the temperature sensing magnet 220, the magnetism of the inner container is larger when the temperature is lower, the temperature sensing magnet 220 is magnetic when the temperature is less than the curie temperature, at the moment, the temperature sensing magnet 220 can be attracted with the permanent magnet 230, the elastic part 250 is in a compression state, at the moment, F (spring force and magnetic attraction force) > G (permanent magnet 230 gravity and slider 2623 gravity), the permanent magnet 230 drives the transmission part 240 to move upwards, namely the direction of the temperature sensing magnet 220 is changed, the second end 242 of the transmission part cannot fall into the rotation control hole 324, the rotation of the handle 321 and the ball. Since the user will not be scalded when the water temperature is lower than 40 ℃, the sewage can be discharged normally, and the position of the rotation limiting track 325 and the rotation control hole 324 refers to fig. 13 and 14. After the sewage discharge is finished, a user needs to rotate the ball valve 323 to a closing structure through the handle 321 to normally use the water heater, and at the moment, the position of the rotation limiting track 325 and the rotation control hole 324 refers to fig. 11 and 12.
The valve closing member 320 cannot open and close the fluid passage 312: when the electric water heater needs to discharge sewage, when the temperature of the water in the inner container 100 of the electric water heater is higher than 50 ℃, at this time, the temperature of the water in the inner container 100 is higher than the temperature of the curie point, at this time, the temperature of the water in the inner container 100 is transmitted to the temperature sensing magnet 220 through the sealing cap 261, according to the characteristics of the temperature sensing magnet 220, when the temperature is higher, the magnetism of the temperature sensing magnet is smaller, and when the temperature exceeds the temperature of the curie point of the temperature sensing magnet 220, the temperature sensing magnet 220 does not have magnetism, at this time, the temperature sensing magnet 220 and the permanent magnet 230 do not have magnetic attraction force and are not close to each other, at this time, F (spring force) < G (permanent magnet 230 gravity + slider 2623 gravity), the second end 242 of the transmission piece moves downwards to the rotation control hole 324, and simultaneously the rotation of the. When the water temperature is reduced to below 40 ℃, the temperature sensing magnet 220 has magnetism because the water temperature of the inner container 100 is low, the permanent magnet 230 can be attracted to approach, and the process that the valve closing part 320 can open and close the fluid passage 312 is repeated.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (12)
1. An electric water heater capable of sensing temperature and discharging sewage comprises an inner container, and is characterized by further comprising a magnetic transmission structure and a valve;
the valve comprises a valve shell and a valve closing component, wherein the valve shell comprises a fluid channel, and the valve closing component opens and closes the fluid channel;
the magnetic transmission structure comprises a fixed support, a temperature sensing magnet, a permanent magnet and a transmission piece, wherein one end of the fixed support is arranged in the inner container and is connected with the temperature sensing magnet, and the other end of the fixed support is connected with the valve shell; the temperature sensing magnet is arranged opposite to the permanent magnet; the permanent magnet is connected with the first end of the transmission piece, and the second end of the permanent magnet extends towards the direction of the valve closing part;
the temperature sensing magnet is close to the permanent magnet below the Curie temperature, so that the second end of the transmission piece is far away from the valve closing part, and the valve closing part can open and close the fluid channel; the temperature sensing magnet is far away from the permanent magnet and is higher than the Curie temperature, so that the second end of the transmission piece is connected with and positions the valve closing part, and the valve closing part keeps closing the fluid channel.
2. The electric water heater capable of sensing temperature and discharging sewage as claimed in claim 1, wherein the magnetic transmission structure is arranged above the valve, the inner side of the top end of the fixed bracket is connected with the temperature sensing magnet, and the permanent magnet is arranged below the temperature sensing magnet;
the magnetic transmission structure further comprises an elastic piece, and the elastic piece supports the permanent magnet and provides driving force for the permanent magnet to the direction of the temperature sensing magnet.
3. The electric water heater capable of discharging sewage with sensing temperature according to claim 1, wherein the magnetic transmission structure is disposed above the valve, the axial direction of the transmission member is disposed in parallel with the axial direction of the fluid passage, and the axial direction of the transmission member is disposed perpendicular to the axial direction of the valve closing member;
the valve closing component comprises an operating handle, a rotating shaft and a ball valve, the valve shell is provided with an accommodating cavity, the handle is connected with the rotating shaft arranged in the accommodating cavity, and the rotating shaft is connected with the ball valve in the fluid channel;
the rotating shaft is provided with a rotation control hole matched with the second end of the transmission piece, and the second end of the transmission piece enters and is far away from the rotation control hole from the pore passage of the valve shell to control whether the valve closing component can open and close the fluid channel.
4. The electric water heater capable of sensing sewage discharge according to claim 3, wherein a rotation limiting track is arranged along the axial circumference of the rotating shaft; the valve closing assembly further comprises a limiting part, and the limiting part is matched with the rotary limiting track after penetrating through the valve shell so as to limit the rotating angle of the rotating shaft.
5. The electric water heater capable of discharging sewage according to claim 2, wherein the fixing bracket is a magnesium rod with a hollow structure inside, and further comprises a sealing component arranged at one end of the magnesium rod for sealing the magnetic transmission structure, and the transmission member extends from the permanent magnet to the valve closing member after passing through the magnesium rod.
6. The electric water heater capable of sensing temperature and discharging sewage as claimed in claim 5, wherein a sinking platform is arranged at one end of the magnesium rod, the sealing assembly is arranged in the sinking platform, an external thread is arranged outside the side wall of the sealing assembly, and an internal thread matched with the external thread is arranged in the side wall of the sinking platform;
the valve shell is provided with a support table connected with the other end of the magnesium rod.
7. The electric water heater capable of sensing temperature and discharging sewage according to claim 6, wherein the sealing assembly comprises a sealing cap and a sealing ring which are in threaded connection, the external thread is arranged on the side wall of the sealing ring, the temperature sensing magnet is arranged to be tightly attached to the inner surface of the sealing cap, a ring platform is arranged at the connecting end of the sealing ring and the magnesium rod, and the elastic member is abutted between the ring platform and the permanent magnet.
8. The electric water heater capable of sensing sewage discharge of claim 7, wherein the inner surface of the sealing cap is provided with a clamping portion for increasing a contact area, the temperature sensing magnet is provided with a matching portion connected with the clamping portion, the sealing ring is provided with a sliding block matched with the contour of the inner wall of the sealing ring, and the sliding block is fixedly connected with the permanent magnet so as to limit the permanent magnet to move along the axial direction of the sealing ring.
9. The electric water heater capable of sensing temperature and discharging sewage as claimed in any one of claims 1 to 4, further comprising a water inlet structure and a water outlet structure, wherein the magnetic transmission structure is arranged in the inner container so as to enable the temperature sensing magnet to be consistent with the water temperature in the inner container; the valve is arranged outside the inner container so as to adjust the valve closing component to open and close the fluid channel.
10. The electric water heater capable of sensing sewage discharge according to claim 9, further comprising an insulating layer disposed outside the inner container;
the inner bag sets up the opening, magnetism transmission structure follows the opening stretches into the inner bag in, the opening sets up outside turn-ups, the turn-ups tip is less than the heat preservation surface, the top of valve housing sets up the seal groove, the turn-ups with the seal groove block sets up.
11. The electric water heater capable of sensing sewage discharge according to claim 3 or 4, wherein the fixing support is a magnesium rod with a hollow structure inside, and further comprises a sealing component arranged at one end of the magnesium rod for sealing the magnetic transmission structure, and the transmission member extends from the permanent magnet to the valve closing member after penetrating through the magnesium rod.
12. The electric water heater capable of sensing temperature and discharging sewage as claimed in claim 11, wherein a sinking platform is arranged at one end of the magnesium rod, the sealing assembly is arranged in the sinking platform, an external thread is arranged outside a side wall of the sealing assembly, and an internal thread matched with the external thread is arranged in the side wall of the sinking platform;
the valve shell is provided with a support table connected with the other end of the magnesium rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020091329.4U CN212006258U (en) | 2020-01-15 | 2020-01-15 | Electric water heater capable of sensing temperature and discharging sewage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020091329.4U CN212006258U (en) | 2020-01-15 | 2020-01-15 | Electric water heater capable of sensing temperature and discharging sewage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023083309A1 (en) * | 2021-11-12 | 2023-05-19 | 华为技术有限公司 | Battery, battery module, battery system, and battery thermal anomaly alarm method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023083309A1 (en) * | 2021-11-12 | 2023-05-19 | 华为技术有限公司 | Battery, battery module, battery system, and battery thermal anomaly alarm method |
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