CN205102382U - Gas heater system - Google Patents
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- CN205102382U CN205102382U CN201520805280.3U CN201520805280U CN205102382U CN 205102382 U CN205102382 U CN 205102382U CN 201520805280 U CN201520805280 U CN 201520805280U CN 205102382 U CN205102382 U CN 205102382U
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Abstract
The utility model discloses a gas heater system, it includes water heater and protection system. The water heater includes shell, combustor, intake pipe, safe pneumatic valve and a drive module. The intake pipe be used for transmitting the gas for the combustor heating, the shell is formed with the air inlet, is used for making the intake pipe gets into in the shell, safe pneumatic valve sets up in the intake pipe and is located the air inlet or the shell outside, safe pneumatic valve is used for closing in order to block the intake pipe is in order to prevent the intake pipe is in the shell internal leakage the gas. The gas that the sensor is used for responding to in the shell is revealed in order to produce abnormal signal, the controller is used for the basis abnormal signal control a drive module closes safe pneumatic valve. The utility model discloses embodiment's gas heater system can ensure user's safety well, and convenient to use.
Description
Technical field
The utility model relates to household appliance technical field, particularly relates to a kind of gas heater system.
Background technology
The enclosure part that gas heater is positioned at gas heater in air inlet pipe is provided with air valve to close to cut off gas circuit during at gas leakage.But, if air inlet pipe is positioned at enclosure but the part being in air valve upstream is leaked gas, gas leakage can not be stoped to arrive enclosure even if then close gas check valve.And due to enclosure relatively airtight, and be provided with burner, gas leakage is extremely dangerous.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model provides a kind of gas heater system.
The gas heater system of embodiment of the present invention comprises:
Water heater, described water heater comprises:
Shell, described shell offers air inlet;
Be arranged at the burner in described shell;
To be entered in described shell by described air inlet and connect the air inlet pipe of source of the gas and described burner;
Be arranged at described air inlet pipe and be positioned at the safety air vavle of described housing inlet place or described housing exterior;
The first driver module be connected with described safety air vavle;
Guard system, described guard system comprises:
The controller be connected with described first driver module; And
The sensor be connected with described controller, described sensor setting is in described enclosure, whether gas leakage is there is for sensing described enclosure, and producing abnormal signal when occurring to leak, described controller is used for controlling described first driver module according to described abnormal signal and cuts out described safety air vavle.
In some embodiments, described sensor comprises carbon monoxide transducer, alkanes sensor, Smoke Sensor or temperature sensor.
In some embodiments, described sensor is used for sensing when gas leakage does not occur described enclosure and produces normal signal; Described controller is used for controlling described first driver module according to described normal signal and opens described safety air vavle.
In some embodiments, described safety air vavle comprises switch; Described switch is used for opening or closing described safety air vavle according to user operation.
In some embodiments, described guard system also comprises the warning device be connected with described controller, and described controller is used for controlling described warning device to User Alarms according to described abnormal signal.
In some embodiments, described guard system also comprises the reseting module being connected to described controller, and described reseting module is for receiving user's input to make described controller control described warning device stop alarm.
In some embodiments, described guard system comprises selftest module, and described selftest module is used for detecting that described guard system sends prompting to user when cannot normally work.
In some embodiments, described water heater comprises and is arranged at described air inlet pipe and the standard valve being positioned at described enclosure and the second driver module be connected with described standard valve; Described controller is connected with described second driver module, and described controller also cuts out described standard valve for controlling described second driver module according to described abnormal signal.
In some embodiments, described water heater comprises central controller, and described central controller is for controlling described second driver module to open or close described standard valve.
In some embodiments, described sensor comprises the multiple described sensor that can be arranged at diverse location.
The water heater of the gas heater system of embodiment of the present invention comprises safety air vavle.Because safety air vavle is near described air inlet or be positioned at described housing exterior, can prevents the air inlet pipe being positioned at shell from revealing when it is closed, thus make water heater more safe and reliable.When arranging sensor in the enclosure and gas leakage in shell being detected, the controller of guard system controls safety air vavle and cuts out.Such safety that can ensure user, and easy to use.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the high-level schematic functional block diagram of the gas heater system of the utility model embodiment.
Fig. 2 is the cross-sectional schematic of the gas heater system of the utility model embodiment.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection or can communication mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Please refer to the drawing 1, the gas heater system 100 of the utility model embodiment comprises water heater 10 and guard system 50.Water heater 10 comprises shell 23, burner 13, air inlet pipe 11, safety air vavle 15 and the first driver module 19.Shell 23 offers air inlet 231.Burner 13 is arranged in shell 23, for heating water.Air inlet pipe 11 to be entered in shell 23 by air inlet 231 and connects source of the gas and burner 13, for transmitting combustion gas to burner 13.Safety air vavle 15 is arranged at air inlet pipe 11 and is positioned at shell 23 air inlet 231 place or shell 23 outside.First driver module 19 is connected with safety air vavle 15.
Guard system 50 comprises the controller 51 be connected with the first driver module 19 and the sensor 53 be connected with controller 51.Whether the sensor 53 being arranged at shell 23 inside there is gas leakage for sensing shell 23 inside, and produces abnormal signal when occurring to leak, and controller 51 is for controlling the first driver module 19 closed safe air valve 15 according to abnormal signal.
Please refer to the drawing 2, due to blocking of shell 23, when the air inlet pipe 11 in shell 23 is damaged or leaks, because leak is close to burner 13, easily catches fire and even explodes.Because safety air vavle 15 is located at shell 23 outside or air inlet 231, can prevents the air inlet pipe 11 being positioned at shell 23 from leaking when it is closed, thus make water heater 10 more safe and reliable.
In some embodiments, sensor 53 comprises multiple kinds such as carbon monoxide transducer, alkanes sensor, Smoke Sensor or temperature sensor, different according to its feature, can be arranged at diverse location.As, carbon monoxide is generally by the insufficient generation of fuel gas buring, and lta, therefore carbon monoxide transducer is arranged at position top in shell 23, is convenient to it and carbon monoxide is detected in time, effectively avoid the generation of anthracemia.Alkanes sensor 53 can be arranged in shell 23 near air inlet pipe 11, the gas leakage of air inlet pipe 11 to be detected in time.Multiple different types of sensor is set, is conducive to carrying out omnibearing monitoring to air, prevents trouble before it happens.
The sensor 53 adopted in embodiment of the present utility model comprises air borne sensor, air borne sensor comprises the sensor that can only detect a kind of composition, as only detected the carbon monoxide transducer of carbon monoxide, and sensor or the detector of multiple composition of air can be detected, as MQ-air pollution sensor.Its Cleaning Principle mostly is built-in gas sensitive, in air, the concentration increase of certain harmful components causes the physical characteristic of gas sensitive, as electrical conductivity, changes thereupon, use simple circuit the change of its physical characteristic can be converted to corresponding output signal, as the change of magnitude of voltage.When change reaches a threshold value, trigger controller 51, namely controller 51 detects abnormal signal.Equally, along with taking of some safety measures, in air, harmful components concentration drops to normally, causes the physical characteristic of gas sensitive also to be recovered thereupon, also can be detected by controller 51.
Controller 51 can adopt single-chip microcomputer, as C51 single-chip microcomputer, by can realize specific function in the utility model embodiment to its programming.
In some embodiments, sensor 53 produces normal signal when sensing air and being normal; Controller 51 controls the first driver module 19 according to normal signal and opens safety air vavle 15.Concrete, when sensor 53 only has one, controller receives the normal signal that this sensor 53 sends, and namely controls the first driver module 19 and opens safety air vavle 15.Then, in some embodiments, sensor 53 has multiple, and must all detect that air is normal by all the sensors, produce normal signal, controller receives only normal signal and do not receive abnormal signal, just controls the first driver module 19 and opens safety air vavle 15.
In some embodiments, safety air vavle 15 is provided with switch (not shown), and after safety air vavle 15 is controlled closedown by controller 51, user after the dangerous releasing of detection, can open safety air vavle 15 by the switch manual on safety air vavle 15.Standard valve 17 and safety air vavle 15 can adopt magnetic valve, and wherein safety air vavle 15 can adopt the magnetic valve of band hand switch, can by user's manual unlocking.Why arranging like this, is because in some embodiments, and for the sake of security, safety air vavle does not control by water heater 10, only by guard system and user's Non-follow control, to ensure the safety of user.
Please refer to the drawing 1, guard system 50 comprises the controller 51 be connected with the first driver module 19 and the sensor 53 be connected with controller 51, can produce abnormal signal after sensor 53 senses gas leakage, controller 51 controls the first driver module 19 closed safe air valve 15 according to abnormal signal and blocks combustion gas to make air inlet pipe 11.In some embodiments, water heater 10 comprises the standard valve 17 be arranged in air inlet pipe 11 and the second driver module 21 be connected with standard valve 17; Controller 51 is connected with the second driver module 21, and controller 51 also cuts out standard valve 17 for controlling the second driver module 21 according to abnormal signal.
That is, sense gas leakage when sensor 53 and produce abnormal signal, controller 51 can control standard valve 17 and safety air vavle 15 Close All, so more insure, safer.
Guard system 50 and water heater 10 are that split is arranged, and that is, whether the existence of guard system 50 does not affect the normal work of water heater 10.In some embodiments, water heater 10 comprises central controller 25, when water heater 10 normally works, central controller 25 is used for control second driver module 21 to open or close standard valve 17, although the controller 51 of guard system 50 is also connected with standard valve 17, but controller 51 when sensor 53 produces abnormal signal, just can only cut out standard valve 17 and safety air vavle 15.
Comprehensive some embodiment above, when sensor 53 produces abnormal signal, all air valves are closed to avoid danger to greatest extent.When needing to reopen all air valves after danger is removed normally to use water heater 10, standard valve 17 controls normally to open by the central controller 25 of water heater 10, and safety air vavle 15 is as last insurance together, can't help central controller 25 and open, need user in person to check the rear manual unlocking of dangerous releasing, or detect that air is controlled to open by controller 51 after normal at sensor 53.So just ensure that the safe handling of water heater 10 to a greater degree.
Please refer to the drawing 2, in some embodiments, sensor 53 comprises multiple sensors 53 that can be arranged at diverse location.Be appreciated that, if safety air vavle 15 is in open mode at present, as long as there is a sensor 53 still gas leakage to be detected, namely abnormal signal is produced, controller 51 detects that abnormal signal will control closed safe air valve 15, only have all the sensors 53 all to can't detect gas leakage, controller 51 can't detect abnormal signal, just can not closed safe air valve 15; If safety air vavle 15 is in closed condition at present, as long as there is a sensor 53 still gas leakage to be detected, namely abnormal signal is produced, controller 51 detects that abnormal signal would not open safety air vavle 15, all the sensors 53 is only had all to can't detect gas leakage, controller 51 can't detect abnormal signal, just can closed safe air valve 15.Like this, sensor 53 detects potential danger in all directions, and safety air vavle 15 can ensure the safety of user to a greater extent.
In some embodiments, sensor 53 comprises multiple kinds such as carbon monoxide transducer 53, alkanes sensor 53, Smoke Sensor 53 or temperature sensor 53, different according to its feature, can be arranged at diverse location.As, carbon monoxide is generally by the insufficient generation of fuel gas buring, and lta, therefore carbon monoxide transducer 53 is arranged at position top in shell 23, is convenient to it and carbon monoxide is detected in time, effectively avoid the generation of anthracemia.Alkanes sensor 53 can be arranged in or beyond shell 23 near shell 23 external feed stream pipe 11, the gas leakage of air inlet pipe 11 to be detected in time.Multiple different types of sensor 53 is set, is conducive to, to air conduct monitoring at all levels, preventing trouble before it happens.
In some embodiments, guard system 50 also comprises the warning device 55 be connected with controller 51, after controller 51 receives abnormal signal, controls warning device 55 to User Alarms.Warning comprises sound and light alarm, and warning device 55 comprises buzzer 551, warning lamp 553 etc.
Guard system 50, not only can self-closing safety air valve 15 and standard valve 17 when gas leakage being detected, and warning device 55 can also sound and light alarm.Preferably, in some embodiments, warning device 55 is provided with three indicator lamps 555, under guard system 50 normal operating conditions, green light is long bright, and when warning device 55 is reported to the police, red lamp flass, buzzer 551 pipes simultaneously.Also have a yellow indicator lamp 555 in addition, guard system 50 can carry out self-inspection, if when finding guard system 50 cisco unity malfunction, then amber light is glittering, is guard system 50 fault alarm.
In some embodiments, guard system 50 also comprises the reseting module 57 be connected with controller 51, and reseting module 57 is used for receiving user's input to control warning device 55 stop alarm.Such as, reseting module 57 comprises the reset key 571 be arranged on warning device 55, when warning device 55 is reported to the police user press reset key 571 will stop alarm.Or, in some embodiments, air recover normal after, all the sensors 53 no longer produces abnormal signal, thus controls warning device 55 stop alarm by controller 51, and controls safety air vavle 15 and open.
In some embodiments, guard system 50 comprises selftest module 59, and selftest module 59 is for detecting that guard system 50 sends prompting to user when cannot normally work.In some embodiments, controller 51 comprises single-chip microcomputer, and selftest module comprises the self-check program in 59 single-chip microcomputers, whether is normally used for detecting single-chip microcomputer various functions.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of preferred embodiment of the present utility model comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiment person of ordinary skill in the field of the present utility model.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even can the paper of print routine or other suitable media thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain program, be then stored in computer storage.
Should be appreciated that each several part of the present utility model can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. a gas heater system, is characterized in that, comprising:
Water heater, described water heater comprises:
Shell, described shell offers air inlet;
Be arranged at the burner in described shell;
To be entered in described shell by described air inlet and connect the air inlet pipe of source of the gas and described burner;
Be arranged at described air inlet pipe and be positioned at the safety air vavle of described housing inlet place or described housing exterior;
The first driver module be connected with described safety air vavle;
Guard system, described guard system comprises:
The controller be connected with described first driver module; And
The sensor be connected with described controller, described sensor setting is in described enclosure, whether gas leakage is there is for sensing described enclosure, and producing abnormal signal when occurring to leak, described controller is used for controlling described first driver module according to described abnormal signal and cuts out described safety air vavle.
2. gas heater system as claimed in claim 1, it is characterized in that, described sensor comprises carbon monoxide transducer, alkanes sensor, Smoke Sensor or temperature sensor.
3. gas heater system as claimed in claim 1, is characterized in that, described sensor is used for sensing when gas leakage does not occur described enclosure and produces normal signal; Described controller is used for controlling described first driver module according to described normal signal and opens described safety air vavle.
4. gas heater system as claimed in claim 1, it is characterized in that, described safety air vavle comprises switch; Described switch is used for opening or closing described safety air vavle according to user operation.
5. gas heater system as claimed in claim 1, it is characterized in that, described guard system also comprises the warning device be connected with described controller, and described controller is used for controlling described warning device to User Alarms according to described abnormal signal.
6. gas heater system as claimed in claim 5, it is characterized in that, described guard system also comprises the reseting module being connected to described controller, and described reseting module is for receiving user's input to make described controller control described warning device stop alarm.
7. gas heater system as claimed in claim 1, it is characterized in that, described guard system comprises selftest module, and described selftest module is used for detecting that described guard system sends prompting to user when cannot normally work.
8. gas heater system as claimed in claim 1, is characterized in that, described water heater comprises and is arranged at described air inlet pipe and the standard valve being positioned at described enclosure and the second driver module be connected with described standard valve; Described controller is connected with described second driver module, and described controller also cuts out described standard valve for controlling described second driver module according to described abnormal signal.
9. gas heater system as claimed in claim 8, it is characterized in that, described water heater comprises central controller, and described central controller is for controlling described second driver module to open or close described standard valve.
10. gas heater system as claimed in claim 1, it is characterized in that, described sensor comprises the multiple described sensor that can be arranged at diverse location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520805280.3U CN205102382U (en) | 2015-10-14 | 2015-10-14 | Gas heater system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520805280.3U CN205102382U (en) | 2015-10-14 | 2015-10-14 | Gas heater system |
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| Publication Number | Publication Date |
|---|---|
| CN205102382U true CN205102382U (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520805280.3U Active CN205102382U (en) | 2015-10-14 | 2015-10-14 | Gas heater system |
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| CN (1) | CN205102382U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724238A (en) * | 2017-10-31 | 2019-05-07 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN109838884A (en) * | 2017-11-28 | 2019-06-04 | 芜湖美的厨卫电器制造有限公司 | Gas-detecting device and gas heater |
| CN111380221A (en) * | 2018-12-27 | 2020-07-07 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
| EP3887790A1 (en) * | 2018-11-29 | 2021-10-06 | Robert Bosch GmbH | Detection means for a heating device, heating device, and method for the detection means |
-
2015
- 2015-10-14 CN CN201520805280.3U patent/CN205102382U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724238A (en) * | 2017-10-31 | 2019-05-07 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN109838884A (en) * | 2017-11-28 | 2019-06-04 | 芜湖美的厨卫电器制造有限公司 | Gas-detecting device and gas heater |
| CN109838884B (en) * | 2017-11-28 | 2021-05-25 | 芜湖美的厨卫电器制造有限公司 | Gas detection device and gas water heater |
| EP3887790A1 (en) * | 2018-11-29 | 2021-10-06 | Robert Bosch GmbH | Detection means for a heating device, heating device, and method for the detection means |
| CN111380221A (en) * | 2018-12-27 | 2020-07-07 | 芜湖美的厨卫电器制造有限公司 | Gas water heater and control method thereof |
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Effective date of registration: 20220812 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 Meimei Kitchen and Sanitary Industrial Park, Wanchun East Road, East District, Wuhu Economic and Technological Development Zone, Anhui Province Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |