CN108518872B - Control method and control device of shared gas water heater and shared gas water heater - Google Patents
Control method and control device of shared gas water heater and shared gas water heater Download PDFInfo
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- CN108518872B CN108518872B CN201810430708.9A CN201810430708A CN108518872B CN 108518872 B CN108518872 B CN 108518872B CN 201810430708 A CN201810430708 A CN 201810430708A CN 108518872 B CN108518872 B CN 108518872B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 254
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000008236 heating water Substances 0.000 claims description 40
- 238000012545 processing Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a control method and a control device for a shared gas water heater and the shared gas water heater, and relates to the technical field of shared electric appliances. The control method of the shared gas water heater comprises the following steps: and receiving payment amount data sent by the server and target water outlet temperature data sent by the user terminal. And processing the payment amount data and the target water outlet temperature data, and controlling the hot water outlet quantity of the shared gas water heater. The control method of the shared gas water heater provided by the embodiment of the invention can directly convey the quantitative hot water with the target water temperature to the client according to the payment instruction sent by the user terminal and the target water temperature preset by the user terminal, and is convenient, quick and reasonable in cost.
Description
The invention relates to the field of shared electrical appliances, in particular to a control method and a control device of a shared gas water heater and the shared gas water heater.
Background
At present, most public places such as campuses and factories adopt concentrated hot water, and most of the public places are electric heating, and places with somewhat better conditions adopt solar energy and the like to send hot water to each user, so that the following problems exist:
the cost of the user for taking the hot water is too high;
The recharging and queuing processes are complicated.
Disclosure of Invention
The invention aims to provide a control method of a shared gas water heater, which can control the water outlet amount according to payment amount information and set target water outlet temperature information.
Another object of the present invention is to provide a shared gas water heater control apparatus capable of controlling the amount of water to be discharged according to payment amount information and set target water outlet temperature information.
It is still another object of the present invention to provide a shared gas water heater capable of controlling the amount of water discharged according to the amount paid by a user and a set target water outlet temperature.
Embodiments of the present invention are implemented as follows:
A control method of a shared gas water heater is applied to the shared gas water heater and comprises the following steps:
Receiving payment amount data sent by a server, wherein the payment amount data is obtained by the server according to a payment instruction sent by a user terminal;
And controlling the hot water outlet quantity of the shared gas water heater according to the payment amount data.
Further, the step of controlling the hot water outlet amount of the shared gas water heater according to the payment amount data comprises the following steps:
and controlling the hot water outlet quantity of the shared gas water heater according to the payment amount data and the heating water temperature data.
Further, the step of controlling the hot water outlet amount of the shared gas water heater according to the payment amount data and the heating water temperature data comprises the following steps:
Judging whether the payment amount data, the heating water temperature data and the hot water outlet water quantity meet the following formulas:
S≤KV×△T，
Wherein S represents the payment amount data, K represents the flow coefficient, V represents the hot water outlet amount, and DeltaT represents the heating water temperature data;
when the payment amount data, the heating water temperature data and the hot water outlet water quantity do not satisfy the formula: when S is less than or equal to KV and is not more than DeltaT, the shared gas water heater is controlled to work continuously;
When the payment amount data, the heating water temperature data and the hot water outlet water quantity satisfy the formula: and when S is less than or equal to KV and is not more than DeltaT, controlling the shared gas water heater to stop working.
Further, the step of controlling the hot water outlet amount of the shared gas water heater according to the payment amount data and the heating water temperature data further comprises the following steps:
The heating water temperature data is calculated according to the following formula:
△T＝T1-T2，
wherein T1 represents the target outlet water temperature, and T2 represents the inlet water temperature.
Further, the shared gas water heater control method further comprises the following steps:
and receiving the target outlet water temperature sent by the user terminal.
A shared gas water heater control device, applied to a shared gas water heater, comprising:
and a receiving module: receiving payment amount data sent by a server, and receiving a target outlet water temperature sent by the user terminal;
And the control module is used for: and controlling the hot water outlet quantity of the shared gas water heater according to the payment amount data.
Further, the control module is also used for controlling the hot water outlet quantity of the shared gas water heater according to the payment amount data and the heating water temperature data.
Further, the control module includes:
And a judging module: judging whether the payment amount data, the heating water temperature data and the hot water outlet water quantity meet the following formulas:
S≤KV×△T，
Wherein S represents the payment amount data, K represents the flow coefficient, V represents the hot water outlet amount, and DeltaT represents the heating water temperature data;
a first sub-control module: when the payment amount data, the heating water temperature data and the hot water outlet water quantity do not satisfy the formula: when S is less than or equal to KV and is not more than DeltaT, the shared gas water heater is controlled to work continuously;
and a second sub-control module: when the payment amount data, the heating water temperature data and the hot water outlet water quantity satisfy the formula: and when S is less than or equal to KV and is not more than DeltaT, controlling the shared gas water heater to stop working.
Further, the judging module is further configured to calculate the heating water temperature data according to the following formula:
△T＝T1-T2，
Wherein T1 represents the target outlet water temperature, and T2 represents the inlet water temperature.
A shared gas water heater comprising:
A memory;
A processor; and
The shared gas water heater control device is installed in the memory and comprises one or more software functional modules executed by the processor.
The control method and the control device for the shared gas water heater provided by the embodiment of the invention have the beneficial effects that: according to the control method of the shared gas water heater, provided by the embodiment of the invention, quantitative hot water of the target water temperature can be directly conveyed to a client according to payment amount information sent by the user terminal and the preset target water temperature, the amount paid by the user corresponds to the obtained hot water amount, the water taking cost is reasonable, a quick payment mode is adopted, recharging and queuing time is saved, and convenience and rapidness are realized.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. Other relevant drawings may be made by those of ordinary skill in the art without undue burden from these drawings.
FIG. 1 is a schematic block diagram of a shared gas water heater to which the control method and the control device for the shared gas water heater according to the embodiment of the present invention are applied;
FIG. 2 is a schematic diagram of a shared gas water heater applied to a control method and a control device for a shared gas water heater according to an embodiment of the present invention;
FIG. 3 is a schematic block diagram of a control method of a shared gas water heater according to a first embodiment of the present invention;
FIG. 4 is a schematic block diagram of the substep flow of step S102 of the control method of the shared gas water heater according to the first embodiment of the present invention;
FIG. 5 is a schematic block diagram of the substep flow of step S103 of the control method of the shared gas water heater provided by the first embodiment of the invention;
FIG. 6 is a schematic block diagram of a shared gas water heater control apparatus according to a second embodiment of the present invention;
Fig. 7 is a schematic block diagram of the control module of fig. 6.
Icon: 10-sharing a gas water heater; 101-a water inlet pipeline; 102-a water proportional valve; 103-a water inlet temperature sensor; 104-a heating device; 105-heat exchanger; 106-a housing; 107-a water outlet pipeline; 108-a water outlet stop valve; 11-memory; 12-a processor; 100-sharing a water heater control device; 110-a receiving module; 120-a control module; 121-a judging module; 122-a first sub-control module; 123-a second sub-control module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Fig. 1 is a schematic block diagram of a control method of a shared gas water heater and a shared gas water heater applied by a shared gas water heater control device according to an embodiment of the present invention, referring to fig. 1, the control method of a shared gas water heater and the shared gas water heater control device 100 provided by the embodiment are applied to a shared gas water heater 10. The shared gas water heater 10 includes a memory 11, a processor 12, and a shared gas water heater control apparatus 100. The control method of the shared gas water heater 10 and the shared gas water heater control apparatus 100 control the water output of the shared gas water heater 10 by receiving and processing payment amount data and target water output temperature data.
The memory 11 and the processor 12 are electrically connected to each other, either directly or indirectly, to effect transfer of data. For example, the elements may be electrically connected to each other via one or more communication buses or signal lines. The shared gas water heater control device 100 comprises at least one software functional module which may be stored in the memory 11 in the form of software or firmware or solidified in the operating system of the server. The processor 12 is configured to execute executable modules stored in the memory 11, such as software functional modules and computer programs included in the shared gas water heater control apparatus 100.
The Memory 11 may be, but is not limited to, a random access Memory (Random Access Memory, RAM), a Read Only Memory (ROM), a programmable Read Only Memory (Programmable Read-Only Memory, PROM), an erasable Read Only Memory (Erasable Programmable Read-Only Memory, EPROM), an electrically erasable Read Only Memory (Electric Erasable Programmable Read-Only Memory, EEPROM), etc. The memory 11 is used for storing a program, and the server 12 executes the program after receiving an execution instruction.
As shown in fig. 2, the shared gas water heater 10 includes a shared gas water heater control device 100, a water inlet pipeline 101, a water proportional valve 102, a water inlet temperature sensor 103, a heating device 104, a heat exchanger 105, a housing 106, a water outlet pipeline 107, and a water outlet shutoff valve 108, wherein the water inlet pipeline 101 is communicated with the water outlet pipeline 107 through the heat exchanger 105, the heating device 104 is arranged below the heat exchanger 105, the water proportional valve 102 and the water inlet temperature sensor 103 are arranged on the water inlet pipeline 101, the water outlet shutoff valve is arranged on the water outlet pipeline 107, and the shared gas water heater control device 100 is electrically connected with the water proportional valve 102, the water inlet temperature sensor 103, the heating device 104, and the water outlet shutoff valve 108, respectively.
The following embodiments specifically describe a control method and a control device of the shared gas water heater with the shared gas water heater 10.
First embodiment
FIG. 3 is a schematic block flow diagram of a control method of the shared gas water heater 10 according to the first embodiment of the present invention; the control method is implemented by sharing the gas water heater control device 100, please refer to fig. 3, and includes the following steps:
Step S101, receiving payment amount data sent by a server. In this embodiment, the target outlet water temperature data is received simultaneously. In this embodiment, the payment amount data is sent by the user terminal to the server, and the server processes the payment instruction and sends the processed payment instruction to the shared gas water heater control device 100. The target outlet water temperature data is directly transmitted to the shared gas water heater control device 100 by the user terminal.
In this embodiment, the payment mode of the shared gas water heater 10 is that the user performs mobile phone online payment, such as WeChat or payment bank payment, by scanning the two-dimension code through the mobile phone. The server receives payment instructions sent by the user and processes payment amount data sent by the user. The target water outlet temperature data is input and sent after the user scans the two-dimensional code for payment. The target outlet water temperature data and the processed payment amount data are finally received by the shared gas water heater control device 100.
Further, the control method of the shared gas water heater 10 may further include:
Step S102, controlling the shared gas water heater 10 to start working to discharge water.
In this embodiment, step S102 starts after receiving the payment amount data and the target outlet water temperature data, as shown in fig. 4, which includes:
substep S1021, controlling the opening of a water outlet stop valve arranged on the water outlet pipeline of the shared gas water heater 10, and controlling the opening degree of the water outlet stop valve according to the target water outlet temperature data sent by the user.
Substep S1022, controlling the gas circuit of the shared gas water heater 10 to be turned on, and simultaneously controlling the heating device to ignite, so that the shared gas water heater 10 starts to operate and heats the water in the heat exchanger.
And step S1023, controlling a water proportional valve arranged on a water inlet pipeline of the shared gas water heater 10 to monitor the water flow of the passing water in real time, so as to obtain real-time water flow data.
Substep S1024 calculates the total amount of water flow through the water proportioning valve based on the real-time water flow data.
Step S103, controlling the hot water outlet amount of the shared gas water heater 10 according to the payment amount data and the hot water outlet amount of the shared gas water heater 10 according to the heating water temperature data.
In this embodiment, as shown in fig. 5, the step S103 includes the steps of:
Step S1031, judging whether the amount data, the heating water temperature data and the hot water outlet water quantity meet the following formulas:
S is less than or equal to KV×DeltaT, wherein S represents payment amount data, K represents a flow coefficient, in the embodiment, 0.002 is taken, V represents hot water outlet water quantity, deltaT represents heating water temperature data;
When the payment amount data, the heating water temperature data and the hot water outlet water quantity do not satisfy the formula: when S is less than or equal to KV and is not greater than DeltaT, the shared gas water heater 10 is controlled to continue to work;
Step S1032, when the payment amount data, the heating water temperature data and the hot water outlet water quantity satisfy the formula: and when S is less than or equal to KV and is not greater than DeltaT, controlling the shared gas water heater 10 to stop working.
Wherein K represents a flow coefficient, V represents a hot water outlet amount, and DeltaT represents heating water temperature data. In this embodiment, through experimental tests, K takes 0.002, and in other embodiments, K may take other values, Δt is also obtained by calculation, Δt=t1-T2, where T1 represents the target outlet water temperature, T2 represents the inlet water temperature, and T2 is detected and transmitted by the inlet water temperature sensor.
The control method of the shared gas water heater 10 provided by the embodiment realizes the convenient and quick quantitative conveying of the hot water with the target temperature to the user through the steps, the hot water quantity obtained by the user corresponds to the amount paid by the user, the condition of waste does not exist, and the water taking cost spent by the user is reasonable.
Second embodiment
Referring to fig. 6, the present embodiment provides a shared gas water heater control apparatus 100, where the shared gas water heater control apparatus 100 includes a receiving module 110 and a control module 120.
The receiving module 110 is configured to receive payment amount data sent from the user terminal to the server, and the payment amount data sent after the server processes the payment amount data, and target outlet water temperature data sent from the user terminal.
In an embodiment of the present invention, step S101 may be performed by the receiving module 110.
The control module 120 controls the hot water output of the shared gas water heater 10 according to the data received by the receiving module 110.
In the embodiment of the present invention, step S102 and step S103 may be performed by the control module 120.
After the receiving module 110 receives the data, the processing manner of the control module 120 is as follows: judging that S is less than or equal to KV×DELTAT, wherein K represents a flow coefficient, V represents the water yield of hot water, and DELTA T represents heating water temperature data. In this embodiment, through experimental tests, K takes 0.002, and in other embodiments, K may take other values, Δt is also calculated by the control module 120, Δt=t1-T2, where T1 represents the target outlet water temperature, T2 represents the inlet water temperature, and T2 is detected by the inlet water temperature sensor and transmitted to the receiving module 110.
Referring to fig. 6, further, the control module 120 may include a judging module 121, a first sub-control module 122, and a second sub-control module 123.
The judging module 121: calculating DeltaT, and judging whether payment amount data, heating water temperature data and hot water outlet water quantity meet the following formulas:
S≤KV×△T，
in the embodiment of the present invention, step S1031 may be performed by the determination module 121.
The first sub-control module 122: when the payment amount data, the heating water temperature data and the hot water outlet water quantity do not satisfy the formula: when S is less than or equal to KV and is not greater than DeltaT, the shared gas water heater 10 is controlled to continue to work;
the second sub-control module 123: when the payment amount data, the heating water temperature data and the hot water outlet water quantity satisfy the formula: and when S is less than or equal to KV and is not greater than DeltaT, controlling the shared gas water heater 10 to stop working.
In an embodiment of the present invention, step S1032 may be performed by the second sub-control module 123.
In summary, the control method of the shared gas water heater, the shared gas water heater control device 100 and the shared gas water heater 10 provided by the embodiment of the invention are applied to various concentrated water taking points, and can efficiently provide quantitative hot water with target temperature for users, thereby being convenient and quick and reducing cost.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus embodiments described above are merely illustrative, for example, of the flowcharts and block diagrams in the figures that illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present invention may be integrated together to form a single part, or each module may exist alone, or two or more modules may be integrated to form a single part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The control method of the shared gas water heater is applied to the shared gas water heater and is characterized by comprising the following steps:
Receiving payment amount data sent by a server, wherein the payment amount data is obtained by the server according to a payment instruction sent by a user terminal;
controlling the hot water outlet amount of the shared gas water heater according to the payment amount data;
The step of controlling the hot water outlet amount of the shared gas water heater according to the payment amount data comprises the following steps:
controlling the hot water outlet amount of the shared gas water heater according to the payment amount data and the heating water temperature data;
the step of controlling the hot water outlet amount of the shared gas water heater according to the payment amount data and the heating water temperature data comprises the following steps:
Judging whether the payment amount data, the heating water temperature data and the hot water outlet water quantity meet the following formulas:
S≤KV×△T，
Wherein S represents the payment amount data, K represents a flow coefficient, V represents the hot water outlet quantity, and DeltaT represents the heating water temperature data;
when the payment amount data, the heating water temperature data and the hot water outlet water quantity do not satisfy the formula: when S is less than or equal to KV and is not more than DeltaT, the shared gas water heater is controlled to work continuously;
When the payment amount data, the heating water temperature data and the hot water outlet water quantity satisfy the formula: and when S is less than or equal to KV and is not more than DeltaT, controlling the shared gas water heater to stop working.
2. The method of controlling a shared gas water heater as set forth in claim 1, wherein said step of controlling the hot water outlet amount of said shared gas water heater in accordance with said payment amount data and heating water temperature data further comprises:
The heating water temperature data is calculated according to the following formula:
△T＝T1-T2，
wherein DeltaT represents the heating water temperature data, T1 represents the target outlet water temperature, and T2 represents the inlet water temperature.
3. The control method of a shared gas water heater as recited in claim 2, further comprising:
and receiving the target outlet water temperature sent by the user terminal.
4. A shared gas water heater control device, applied to a shared gas water heater, comprising:
And a receiving module: receiving payment amount data sent by a server, and receiving target outlet water temperature sent by a user terminal;
And the control module is used for: controlling the hot water outlet amount of the shared gas water heater according to the payment amount data;
the control module is also used for controlling the hot water outlet quantity of the shared gas water heater according to the payment amount data and the heating water temperature data;
The control module includes:
And a judging module: judging whether the payment amount data, the heating water temperature data and the hot water outlet water quantity meet the following formulas:
S≤KV×△T，
Wherein S represents the payment amount data, K represents a flow coefficient, V represents the hot water outlet quantity, and DeltaT represents the heating water temperature data;
a first sub-control module: when the payment amount data, the heating water temperature data and the hot water outlet water quantity do not satisfy the formula: when S is less than or equal to KV and is not more than DeltaT, the shared gas water heater is controlled to work continuously;
and a second sub-control module: when the payment amount data, the heating water temperature data and the hot water outlet water quantity satisfy the formula: and when S is less than or equal to KV and is not more than DeltaT, controlling the shared gas water heater to stop working.
5. The shared gas water heater control apparatus as set forth in claim 4, wherein said determination module is further configured to calculate said heating water temperature data according to the following formula:
△T＝T1-T2，
Wherein DeltaT represents the heating water temperature data, T1 represents the target water outlet temperature, and T2 represents the water inlet temperature.
6. A shared gas water heater, comprising:
A memory;
A processor; and
A shared gas water heater control as claimed in any one of claims 4 to 5, mounted in the memory and including one or more software functional modules executed by the processor.
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| CN111107124A (en) * | 2018-10-29 | 2020-05-05 | 青岛经济技术开发区海尔热水器有限公司 | Control method of shared water heater and shared water heater |
| CN109520141A (en) * | 2018-11-20 | 2019-03-26 | 广东万家乐燃气具有限公司 | The control method and control device of a kind of shared water heater and shared water heater |
| CN111260851B (en) * | 2018-12-03 | 2022-01-18 | 青岛经济技术开发区海尔热水器有限公司 | Control method for sharing water heater system |
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| CN107894099A (en) * | 2017-11-03 | 2018-04-10 | 周超宇 | Shared hot water Internet of Things pattern and operation method |
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| JP2002032441A (en) * | 2000-07-19 | 2002-01-31 | Daikin Ind Ltd | Method for introducing energy-saving equipment |
| CN105894670B (en) * | 2016-06-24 | 2018-11-27 | 广州正峰电子科技有限公司 | A kind of intelligent instrument control system and method based on credit consuming |
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| WO2004053804A1 (en) * | 2002-12-09 | 2004-06-24 | Gun Mo Goo | Automatic water saving apparatus |
| CN107564189A (en) * | 2017-10-17 | 2018-01-09 | 上海爱浚可环保科技有限公司 | A kind of method passively paid and the device passively paid |
| CN107894099A (en) * | 2017-11-03 | 2018-04-10 | 周超宇 | Shared hot water Internet of Things pattern and operation method |
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