CN104101103A - Electric water heater and control method thereof - Google Patents
Electric water heater and control method thereof Download PDFInfo
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- CN104101103A CN104101103A CN201310385829.3A CN201310385829A CN104101103A CN 104101103 A CN104101103 A CN 104101103A CN 201310385829 A CN201310385829 A CN 201310385829A CN 104101103 A CN104101103 A CN 104101103A
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- electric heater
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Abstract
The invention discloses an electric water heater and a control method thereof. The electric water heater comprises a main body, a switching valve, a sensor and a controller, wherein the main body is provided with a water outlet; the switching valve is used for opening or closing the water outlet and is connected with the water outlet; the sensor is used for detecting whether water drained from the water outlet is used by people or not; the controller is respectively connected with the sensor and the switching valve to control the switching valve to open or close the water outlet according to the sensor. According to the electric water heater disclosed by the embodiment of the invention, the electric water heater is convenient to use, water resources are prevented from being wasted, the electric water heater is enabled to be intelligent, the use by users is facilitated and the performance of the electric water heater is improved.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly the control method of a kind of electric heater and this electric heater.
Background technology
Traditional electric heater does not have automatically to control the function of current, and in the use procedure of electric heater, water outlet that cannot automatic control electric water heater and closing, causes electric heater to use inconvenience, easily causes water resource waste.
Summary of the invention
The present invention is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.For this reason, one object of the present invention is to propose a kind of electric heater of automatically opening and turn-offing current function that has.
Another object of the present invention is to propose the control method of this electric heater.
Electric heater according to the embodiment of the present invention, comprising: main body, switch valve, inductor and controller.Described main body has water nozzle; Described switch valve is connected with described water nozzle, and described switch valve is used to open or close described water nozzle; Whether described inductor is used by people for detection of the water of discharging from described water nozzle; Described controller is connected with described switch valve with described inductor respectively, to control described switch valve according to described inductor, opens or closes described water nozzle.
According to the electric heater of the embodiment of the present invention, by switch valve and inductor are set, when the water that need to use in electric heater, can open water nozzle by gauge tap valve, for use, when the water that does not need to use in electric heater, can close water nozzle by gauge tap valve, with the water that avoids waste.Thus, by inductor, can understand timely fast the service condition of electric heater, thereby switch valve is controlled, so that open or close in time water nozzle, facilitate the use of electric heater, and the water resource that avoids waste, but also make electric heater intelligence, improved the performance of electric heater.
In addition, electric heater according to the above embodiment of the present invention, can also have following additional technical characterictic:
According to one embodiment of present invention, described inductor and described controller are by signal transmssion line Shu Xianglian.Thus, can make stable signal transmission between inductor and described controller, be convenient to the fast reaction of electric heater, further using water wisely.
According to one embodiment of present invention, described inductor is provided with wireless signal transmitting device, and described controller is connected with the wireless signal receiver suitable with described wireless signal transmitting device.Thus, what between inductor and controller, transmit is wireless signal, has avoided the restriction to the installation site of inductor, and this inductor can be arranged on optional position, is convenient to the design and installation of electric heater, has improved the performance of electric heater.
According to one embodiment of present invention, described electric heater comprises shower nozzle, and described shower nozzle is connected with described switch valve by flexible pipe, and described inductor is located on described shower nozzle.Thus, whether the water that not only can further detect exactly electric heater output is used by people, but also the water resource that avoids waste further.
According to one embodiment of present invention, be provided with water flow generator and battery in described shower nozzle, described inductor is connected with described battery with described water flow generator respectively.Thus, can inductor and wireless signal transmitting device thereof be powered and battery is charged by water flow generator, improve the utilization rate of the energy, energy-conserving and environment-protective, and without specially battery being charged in addition, be convenient to the use of electric heater.
According to one embodiment of present invention, described inductor is infrared inductor or thermal source inductor or touch inductor.Thus, make the testing result of inductor accurate, be convenient to the use of electric heater.
According to one embodiment of present invention, described inductor is located on described main body or wall.Thus, be convenient to the installation of inductor.
According to one embodiment of present invention, described main body is provided with the protective cover that covers described switch valve, and described protective cover and described main body are bolted.Thus, effectively protection switch valve, reduces its fault rate, improves the service life of electric heater, and has reduced the maintenance cost of electric heater, in addition, also makes the good looking appearance of electric heater, user-friendly.Be bolted protective cover and main body and make the easy for installation and easy access of this protective cover.
According to one embodiment of present invention, the front surface of described protective cover is provided with control panel, and described controller is located on described control panel, described control panel and described protective cover clamping.Thus, be convenient to electric heater to control, improved the practicality of electric heater, and control panel is easy for installation, improved the efficiency of assembling of electric heater.
According to one embodiment of present invention, described switch valve is normally closed solenoid valve.Thus, be convenient to switch valve to control, improved control efficiency and the stability of electric heater, and reduce the energy consumption of switch valve.
According to one embodiment of present invention, described electric heater is thermostatic electric water heater.Thus, make the effluent temperature constancy of electric heater, substantially reached the object of constant temperature bathing, avoided the sometimes hot and sometimes cold situation of water of traditional electric heater output, improved the performance of electric heater.
The control method of electric heater according to an embodiment of the invention, comprise: whether the water that detects electric heater discharge is used by people, if the water that described electric heater is discharged is used by people, open the water nozzle of electric heater, and continuation detects the service condition of the water of described electric heater discharge, if the water that described electric heater is discharged is not used by people, close the water nozzle of electric heater, and continue the service condition of the water of the described electric heater discharge of detection.
The control method of electric heater according to an embodiment of the invention, according to the service condition of electric heater, regulate electric heater whether to open, when electric heater is not used by people, can close timely fast electric heater, thereby reduce the waste of water resource, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the electric heater of one embodiment of the present of invention.
Fig. 2 is the cutaway view of Fig. 1 middle section A-A.
Fig. 3 is the local enlarged diagram that Fig. 2 centre circle shows B.
Fig. 4 is the schematic diagram of the electric heater of one embodiment of the present of invention.
Fig. 5 is the schematic diagram of the electric heater of an alternative embodiment of the invention.
Fig. 6 is the shower nozzle of electric heater and the schematic diagram of shower bracket cooperation of one embodiment of the present of invention.
Fig. 7 is the schematic diagram of switch valve of the electric heater of one embodiment of the present of invention.
Fig. 8 is the top view of switch valve of the electric heater of one embodiment of the present of invention.
Reference numeral:
Electric heater 100;
Main body 1; Water nozzle 101;
Signal transmssion line bundle 11; Thermostatic valve 12; Constant-temperature effluent pipe 13; Shower bracket 14; Inductor mounting box 15;
Bottom 16;
Switch valve 2;
Valve seat 21; Intake tunnel 201; Exhalant canal 202;
Electromagnetic valve body 22; Solenoid 221; Pilot valve core retainer plate 222; Pilot valve axle 223; Pressure head 224; Spring 225;
Glued membrane 23;
Glued membrane lid 24
Inductor 3;
Controller 4;
Wireless signal transmitting device 51; Wireless signal receiver 52
Shower nozzle 7; Water flow generator 61; Battery 62;
Flexible pipe 8;
Protective cover 9.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Describe with reference to the accompanying drawings the electric heater 100 of the embodiment of the present invention in detail.
As shown in Figures 1 to 6, the electric heater 100 according to the embodiment of the present invention, comprising: main body 1, switch valve 2, inductor 3 and controller 4.
Particularly, main body 1 has water nozzle 101, and water nozzle 101 can be exported the hot water in electric heater 100, or cold water and the mixed water of hot water, for use.Switch valve 2 is connected with water nozzle 101, and switch valve 2 is used to open or close water nozzle 101.Whether inductor 3 is used by people for detection of the water of discharging from water nozzle 101.Controller 4 is connected with switch valve 2 with inductor 3 respectively, to open or close water nozzle 101 according to inductor 3 gauge tap valves 2.
According to the electric heater of the embodiment of the present invention, by switch valve 2 and inductor 3 are set, during water in need to using electric heater 100, can open water nozzle by gauge tap valve 2, for use, when not needing to use the water in electric heater 100, can close water nozzle by gauge tap valve 2, with the water that avoids waste.Thus, by inductor 3, can understand timely fast the service condition of electric heater 100, thereby switch valve 2 is controlled, so that open or close in time water nozzle 101, facilitate the use of electric heater 100, and the water resource that avoids waste, but also make electric heater 100 intelligence, improved the performance of electric heater 100.
Advantageously, as shown in Figure 1 and Figure 4, in some embodiments of the invention, inductor 3 is connected by signal transmssion line bundle 11 with controller 4.Thus, can make stable signal transmission between inductor 3 and described controller, be convenient to the fast reaction of electric heater 100, further using water wisely.
In addition, as shown in Figure 5, in other specific embodiments of the present invention, inductor 3 is provided with wireless signal transmitting device 51, and controller 4 is connected with the wireless signal receiver 52 suitable with wireless signal transmitting device 51.Thus, between inductor 3 and controller 4, transmission is wireless signal, has avoided the restriction to the installation site of inductor 3, and this inductor 3 can be arranged on optional position, is convenient to the design and installation of electric heater 100, has improved the performance of electric heater 100.
Advantageously, between wireless signal transmitting device 51 and wireless signal receiver 52, adopt high-frequency signal to transmit, to avoid interference.
In addition, as shown in Fig. 1 and Fig. 6, described electric heater 100 comprises shower nozzle 7, and shower nozzle 7 is connected with switch valve 2 by flexible pipe 8, and inductor 3 is located on shower nozzle 7.Thus, whether the water that not only can further detect exactly electric heater 100 outputs is used by people, but also the water resource that avoids waste further.
Further, as shown in Figure 5, be provided with water flow generator 61 and battery 62 in shower nozzle 7, inductor 3 is connected with battery 62 with water flow generator 61 respectively.Water flow generator 61 and battery 62 all can be used for inductor 3 and wireless signal transmitting device 51 that electric energy is provided, wherein, battery 62 is rechargeable battery, during the undercurrent of water flow generator 61, can be by 3 power supplies of 62 pairs of inductors of battery, when the voltage of water flow generator 61 is sufficient, not only can be by 3 power supplies of 61 pairs of inductors of water flow generator, but also can charge by 61 pairs of batteries 62 of water flow generator.Thus, can and charge to battery 62 by 61 pairs of inductors 3 of water flow generator and wireless signal transmitting device 51 power supplies thereof, improve the utilization rate of the energy, energy-conserving and environment-protective, and without specially battery 62 being charged in addition, be convenient to the use of electric heater 100.
Further, inductor 3 is infrared inductor or thermal source inductor or touch inductor.Thus, make the testing result of inductor 3 accurate, be convenient to the use of electric heater 100.
Certainly, in prior art, can whether there is people's the induction installation also can be for the present invention, for can known the present invention not being elaborated in prior art for detection of precalculated position.
Advantageously, as shown in Figure 1, inductor 3 is located in main body 1, and particularly, whether the water that need to detect electric heater 100 outputs due to inductor 3 is used by people, need inductor 3 to be located in the space of water (bathroom etc.), therefore, the main body 1 that is provided with inductor 3 also needs to be arranged in the space of water (bathroom etc.), thus, can be so that electric heater 100 integrated, thus make electric heater 100 easy for installation.
In addition, inductor can be arranged on and the optional position whether water of electric heater 100 output is used by people can be detected, for example, inductor 3 is located at on the wall of hydrospace.
Further, main body 1 is provided with the protective cover 9 that covers switch valve 2, and protective cover 9 is bolted with main body 1.Thus, effectively protection switch valve 2, reduces its fault rate, improves the service life of electric heater 100, and has reduced the maintenance cost of electric heater 100, in addition, also makes the good looking appearance of electric heater 100, user-friendly.Be bolted protective cover 9 and main body 1 and make the easy for installation and easy access of this protective cover 9.
Further, the front surface of protective cover 9 is provided with control panel (not shown), and controller 4 is located on described control panel, described control panel and protective cover 9 clampings.Thus, be convenient to electric heater 100 to control, improved the practicality of electric heater 100, and control panel be easy for installation, improved the efficiency of assembling of electric heater 100.
Further, in some embodiments of the invention, switch valve 2 is normally closed solenoid valve.Thus, be convenient to switch valve to control, improved control efficiency and the stability of electric heater 100, and reduce the energy consumption of switch valve.
Particularly, as shown in Figure 7 and Figure 8, switch valve 2 comprises valve seat 21, electromagnetic valve body 22, glued membrane 23 and glued membrane lid 24.Electromagnetic valve body 22 comprises solenoid 221, pilot valve core retainer plate 222, pilot valve axle 223, and the end of pilot valve axle 223 is provided with pressure head 224.Valve seat 21 is provided with intake tunnel 201, exhalant canal 202 and the mounting groove (not shown) being communicated with intake tunnel 201 and exhalant canal 202 respectively, glued membrane 23 covers this mounting groove, and glued membrane lid 24 coordinates compression glued membrane 23 with valve seat 21, pilot valve core retainer plate 222 coordinates and forms the cavity being communicated with intake tunnel with glued membrane lid 24, and pilot valve core retainer plate 222 is provided with the intercommunicating pore being communicated with this cavity and exhalant canal respectively, solenoid 221 can drive pilot valve axle 223 to move vertically, and this pilot valve axle 223 can opened the open position of described intercommunicating pore and seal between the detent position of described intercommunicating pore and move with dynamic head 224.
In addition, switch valve 2 can also be the switch valve structure of other form of the prior art, and for can be known in prior art, the present invention be elaborated.
Advantageously, in some embodiments of the invention, described electric heater 100 is thermostatic electric water heater 100.Thus, make the effluent temperature constancy of electric heater 100, substantially reached the object of constant temperature bathing, avoided the sometimes hot and sometimes cold situation of water of traditional electric heater 100 outputs, improved the performance of electric heater 100.
Particularly, in a specific embodiment of the present invention, electric heater 100 of the present invention comprises main body 1, main body 1 is provided with cold water inlet, hot water outlet and water nozzle, between cold water inlet and hot water outlet, be provided with thermostatic valve 12, thermostatic valve 12 is provided with constant-temperature effluent pipe 13, and the port of export of constant-temperature effluent pipe 13 has Internal Pipe Thread, and the arrival end of switch valve 2 has the external pipe thread suitable with described Internal Pipe Thread.The port of export of switch valve 2 is connected with shower nozzle 7 by flexible pipe 8, and shower nozzle 7 is pegged graft and is placed on shower bracket 14.On the wall of corresponding correct position, fix the inductor mounting box 15 of a built-in sensitive device 3.The signal transmssion line bundle 11 of inductor 3 is connected with the control panel being equipped with on protective cover 9.The outside of thermostatic valve 12 and switch valve 2 is covered with protective cover 9, and protective cover 9 use sunk screws are fixed on the shell of electric heater 100 main bodys 1.On protective cover 9, control panel is housed, control panel eye-splice to protective cover 9 before.The bottom eye-splice of protective cover 9 has bottom 16.Wireless remote control receiving device and key switch power supply are housed on control panel, or the control button of default regulation and control inner bag water temperature and constant temperature water temperature is housed on control panel.Inductor 3 can be infrared human body inductor.
In addition, inductor 3 can also be arranged on shower nozzle 7.
According to the electric heater 100 of the embodiment of the present invention, be provided with inductor 3, can realize intelligent automatic control, both can provide endlessly constant-temperature hot water, can make again electric heater 100 installation environment requirement step-downs, setting height(from bottom) is unrestricted, also can be installed on ceiling, add the environment that layer wall and turning etc. are unfavorable for operation.Make electric heater 100 of the present invention not only possess the advantage of traditional electrical water heater 100, and fan-out capability is largely increased, under the same terms, can makes hot water Applicative time extend 50%.
The assembling process of the electric heater 100 of the embodiment of the present invention is simply described with reference to the accompanying drawings.
As shown in Figures 1 to 8, in the assembling process of electric heater 100 of the present invention, first thermostatic valve 12 is installed.After thermostatic valve 12 installations, then switch valve 2 is installed, first glued membrane 23 is engaged on glued membrane lid 24, then is mounted in the mounting groove of valve seat 21.Get pilot valve core retainer plate 222, the axis hole of aiming at pilot valve core retainer plate 222 packs spring 225 into, after pilot valve axle 223 and combination pressure head 224 have combined, pilot valve axle 223 is put in the endoporus of solenoid 221, then with four pan head screws and valve seat 21, is mounted with.By after the switch valve assembling 2 pass the tests, be threaded connection and be connected on constant-temperature effluent pipe 13, the junction of switch valve 2 and constant-temperature effluent pipe 13 adds rectangular seal sealing.
At main body 1 left side capturing position, boring swell fixture is shower bracket 10 fixedly, plug-in mounting shower nozzle 7, and with flexible pipe 8 be threaded delivery port and the shower nozzle 7 of switch valve 2, all junctions all adopt rectangular seal sealing.Boring swell fixture is fixedly equipped with the inductor mounting box 15 of inductor 3, with signal transmssion line bundle 11, connects control panel and inductor 3.
Protective cover 9 is covered to thermostatic valve 12 and switch valve 2 does not make to leak outside, and with sunk screw, protective cover 9 is fixed on host housing.By the control panel eye-splice that controller is housed to before protective cover 9, the last bottom to protective cover 9 by bottom 16 eye-splices.
When the present invention uses, after machine energising, provide power supply to provide 12V power supply by connecting line for infrared human body inductor, when inductor senses that object (human body) is in inductor induction range, inductor output 12V power supply provides power supply for magnetic valve, moving iron core and static iron core adhesive make pilot valve hole open, and the pressure in spool back of the body chamber flows to outlet by pilot valve hole, and now the pressure in spool back of the body chamber is lower than inlet pressure, utilize pressure reduction to make spool depart from primary valve, current flow to outlet from import.Otherwise, when human body leaves inductor induction range, coil blackout, moving iron core and static iron core depart from, and have closed pilot valve hole, and spool back of the body cavity pressure is tending towards and import balance by supplementing of inlet pressure gradually, spool is closely closed because of the lower valve of spring-force driven dual, and gondola water faucet stops supplying water.
According to the control method of the electric heater of the embodiment of the present invention, comprise: whether the water that detects electric heater discharge is used by people, if the water that described electric heater is discharged is used by people, open the water nozzle of electric heater, and continuation detects the service condition of the water of described electric heater discharge, if the water that described electric heater is discharged is not used by people, close the water nozzle of electric heater, and continue the service condition of the water of the described electric heater discharge of detection.
According to the control method of the electric heater of the embodiment of the present invention, according to the service condition of electric heater, regulate electric heater whether to open, when electric heater is not used by people, can close timely fast electric heater, thereby reduce the waste of water resource, energy-conserving and environment-protective.
According to other configuration examples of the electric heater of the embodiment of the present invention as heater and temperature sensor etc. and operation be all known for those of ordinary skills, be not described in detail here.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.In addition, those skilled in the art can engage the different embodiment that describe in this description or example and combine.
Although illustrated and described 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, modification, replacement and modification.
Claims (12)
1. an electric heater, is characterized in that: comprising:
Main body, described main body has water nozzle;
Be used to open or close the switch valve of described water nozzle, described switch valve is connected with described water nozzle;
The inductor whether being used by people for detection of the water of discharging from described water nozzle;
Controller, described controller is connected with described switch valve with described inductor respectively, to control described switch valve according to described inductor, opens or closes described water nozzle.
2. electric heater according to claim 1, is characterized in that: described inductor and described controller are by signal transmssion line Shu Xianglian.
3. electric heater according to claim 1, is characterized in that: described inductor is provided with wireless signal transmitting device, and described controller is connected with the wireless signal receiver suitable with described wireless signal transmitting device.
4. electric heater according to claim 3, is characterized in that: described electric heater comprises shower nozzle, and described shower nozzle is connected with described switch valve by flexible pipe, and described inductor is located on described shower nozzle.
5. electric heater according to claim 4, is characterized in that: in described shower nozzle, be provided with water flow generator and battery, described inductor is connected with described battery with described water flow generator respectively.
6. electric heater according to claim 1, is characterized in that: described inductor is infrared inductor or thermal source inductor or touch inductor.
7. according to the electric heater of claim 1, it is characterized in that: described inductor is located on described main body or wall.
8. electric heater according to claim 1, is characterized in that: described main body is provided with the protective cover that covers described switch valve, and described protective cover and described main body are bolted.
9. electric heater according to claim 8, is characterized in that: the front surface of described protective cover is provided with control panel, and described controller is located on described control panel, described control panel and described protective cover clamping.
10. according to the electric heater described in any one in claim 1-9, it is characterized in that: described switch valve is normally closed solenoid valve.
11. according to the electric heater described in any one in claim 1-9, it is characterized in that: described electric heater is thermostatic electric water heater.
The control method of 12. 1 kinds of electric heaters, is characterized in that: comprising:
Whether the water that detects electric heater discharge is used by people,
If the water that described electric heater is discharged is used by people, open the water nozzle of electric heater, and continue the service condition of the water of the described electric heater discharge of detection,
If the water that described electric heater is discharged is not used by people, close the water nozzle of electric heater, and continue the service condition of the water of the described electric heater discharge of detection.
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| CN201310385829.3A CN104101103B (en) | 2013-08-29 | 2013-08-29 | Electric heater and its control method |
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| CN104964457A (en) * | 2015-07-21 | 2015-10-07 | 庄景阳 | Wireless induction blackout water heater protecting device with charging device |
| CN104976780A (en) * | 2015-07-21 | 2015-10-14 | 庄景阳 | Automatically-telescoping integrated water heater protecting device achieving wireless induction power outage |
| CN104990275A (en) * | 2015-07-21 | 2015-10-21 | 庄景阳 | Integrated type water heater protection device with impeller electricity generation function and wireless induction power failure function |
| CN104990278A (en) * | 2015-07-21 | 2015-10-21 | 庄景阳 | Integrated water heater power-off protection device with automatic stretching and retracting function, electricity generation function and wireless emitting function |
| CN104990277A (en) * | 2015-07-21 | 2015-10-21 | 庄景阳 | Wireless transmission device with charging device |
| CN104990269A (en) * | 2015-07-21 | 2015-10-21 | 晋江市永铭电子科技有限公司 | Water heater power-off protection device with electricity generating function and wireless emitting function |
| CN104990276A (en) * | 2015-07-21 | 2015-10-21 | 庄景阳 | Power-off protection one-piece power generation and wireless transmission device for water heater |
| CN105004062A (en) * | 2015-07-21 | 2015-10-28 | 石狮市高鑫技术孵化有限公司 | Water heater protecting device with wireless induction power interruption function |
| CN105042874A (en) * | 2015-07-28 | 2015-11-11 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and method for controlling electric water heater |
| CN105757314A (en) * | 2016-05-10 | 2016-07-13 | 游庆 | Electronic thermostatic valve with pipeline type wireless remote controller |
| CN107345712A (en) * | 2017-08-07 | 2017-11-14 | 佛山市顺德区乾铭电子科技有限公司 | The modular anti-electric shock apparatus and control method of a kind of water heater |
| CN111352359A (en) * | 2018-12-20 | 2020-06-30 | 芜湖美的厨卫电器制造有限公司 | Household appliance control method and device and household appliance |
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Effective date of registration: 20230605 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |