CN113865102A - Gas water supply system and control method thereof - Google Patents
Gas water supply system and control method thereof Download PDFInfo
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- CN113865102A CN113865102A CN202010622993.1A CN202010622993A CN113865102A CN 113865102 A CN113865102 A CN 113865102A CN 202010622993 A CN202010622993 A CN 202010622993A CN 113865102 A CN113865102 A CN 113865102A
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- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 351
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003828 downregulation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000003827 upregulation Effects 0.000 description 1
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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
Abstract
The invention discloses a gas water supply system and a control method thereof, wherein the gas water supply system comprises: the water path component is provided with a water inlet pipe and a water outlet pipe; the water inlet ends of the plurality of gas water heaters are all connected with the water inlet pipe, and the water outlet ends of the plurality of gas water heaters are all connected with the water outlet pipe; the air inlet pipe is respectively connected with the air inlet ends of the plurality of gas water heaters; the central controller is in communication connection with the plurality of gas water heaters respectively; the central controller determines the number of the gas water heaters to be started or stopped according to the water flow of the water inlet assembly; and the central controller screens the gas water heater to be started or closed according to the accumulated working time of the gas water heater. According to the gas water supply system provided by the embodiment of the invention, the gas water heater to be started or closed is intelligently started or closed according to the water flow of the water channel assembly and the accumulated working time of each gas water heater, so that the operation capacity and the use efficiency of the whole gas water supply system are comprehensively improved.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a gas water supply system and a control method thereof.
Background
In the related art, the gas water supply system with multi-machine linkage can not intelligently open or close the gas water heaters according to water flow changes, the service time of each gas water heater can not be uniformly distributed, the service time of the machine tables is different, so that a user needs to intermittently maintain or replace the machine tables in the use process, and the user experience is poor.
Disclosure of Invention
One object of the present invention is to propose a gas water supply system which is high in operational capacity and efficiency of use.
The invention also provides a control method of the gas water supply system, and the control method can improve the operation capacity and the use efficiency of the gas water supply system.
A gas water supply system according to an embodiment of a first aspect of the present invention includes: the water path assembly is provided with a water inlet pipe and a water outlet pipe; the water inlet ends of the plurality of gas water heaters are communicated with the water inlet pipe, and the water outlet ends of the plurality of gas water heaters are communicated with the water outlet pipe; the air inlet pipe is connected with the air inlet ends of the plurality of gas water heaters; the central controller is in communication connection with the plurality of gas water heaters respectively;
wherein the central controller determines the number of gas water heaters to be started or shut down according to the water flow rate of the water inlet assembly; and the central controller determines the working state of the gas water heater according to the accumulated working time of the gas water heater.
According to the gas water supply system provided by the embodiment of the invention, the central controller intelligently starts or closes the gas water heater to be started or closed according to the water flow of the water path component and the accumulated working time of each gas water heater, so that the operation capacity and the use efficiency of the whole gas water supply system are comprehensively improved.
In addition, the gas water supply system according to the above embodiment of the present invention may further have the following additional technical features:
in some embodiments, the central controller comprises: the display panel at least displays the set outlet water temperature of the gas water supply system, and the operation panel is provided with an upper adjusting key and a lower adjusting key, and the set outlet water temperature is adjusted through the upper adjusting key and the lower adjusting key.
In an optional embodiment, the central controller is further provided with a plurality of data connecting lines connected with the gas water heater, the shell is provided with a plurality of clamping grooves, and the plurality of data connecting lines are sequentially and respectively clamped in the clamping grooves.
In some embodiments, the operation panel is further provided with a switch key, and the on-off of each gas water heater is controlled through the switch key.
In an optional embodiment, the display panel is provided with a machine address serial number identifier, the machine address serial number identifier is provided with a working lamp and a fault lamp, and correspondingly, the operation panel is provided with a selection key which is used for selecting the machine address serial number identifier and clearing faults by combining with a switch key.
In some embodiments, the gas water supply system has a multiple unit linkage operation mode and a single unit independent operation mode, and in the case of the single unit independent operation mode, the central controller is disconnected from the plurality of gas water heaters.
The control method of the gas water supply system provided by the embodiment of the invention comprises the following steps: the gas water supply system is powered on and selectedSelecting a multi-machine linkage working mode; detecting the water flow of the waterway component, and starting the water flow Q when the water flow is larger than a single machineStarting upAnd is less than the multi-machine linkage starting water flow Q1Starting the gas water heater with the shortest accumulated working time under the condition of (1); when the water flow is more than (n-1) Q1And less than n x Q1Starting the nth gas water heater, wherein the nth gas water heater is the gas water heater with the shortest accumulated working time, n is more than 2, and Q is1Starting water flow for multi-machine linkage; when the water flow is smaller and the water flow is more than (m-1) Q2And less than m Q2The condition (1) is that the mth gas water heater is closed, the mth gas water heater is the gas water heater with the longest accumulated working time, wherein m is more than or equal to 2, and Q2And closing water flow for multi-machine linkage.
In some embodiments, the combustion state of each gas water heater is sensed through a flame sensor, the flame sensor is in communication connection with a timer of the central controller, and the working time of the gas water heater is recorded through the timer in an accumulated mode.
In an alternative embodiment, in the event of a failure of one or more of the gas water heaters in the gas water supply system, the central controller controls the water proportional valve of one or more of the gas water heaters to close.
In a further optional embodiment, in case of failure of all the gas water heaters in the gas water supply system, the central controller keeps at least one of the gas water heaters working continuously.
According to the control method of the gas water supply system disclosed by the embodiment of the second aspect of the invention, the gas water heater to be started or closed can be intelligently started or closed according to the water flow of the water path assembly and the accumulated working time of each gas water heater, so that the operation capacity and the use efficiency of the whole gas water supply system are comprehensively improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic block diagram of a gas water supply system according to some embodiments of the present invention;
FIG. 2 is a schematic diagram of the configuration of the central controller of FIG. 1;
fig. 3 is a flowchart of a control method of a gas water supply system according to some embodiments of the present invention.
Reference numerals:
a gas water supply system 100;
a water inlet pipe 11; a water outlet pipe 12;
a gas water heater 20;
an intake pipe 30;
a central controller 40; a display panel 41; machine address serial number identification 411; an operation panel 42; an upper regulatory bond 421; lower control keys 422; an on-off key 423; a selection key 424; a data link line 43; a housing 44; a card slot 441.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A gas water supply system 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.
The gas water supply system 100 includes a waterway assembly, a plurality of gas water heaters 20, an intake duct 30, and a central controller 40.
Specifically, as shown in fig. 1, the waterway assembly has an inlet tube 11 and an outlet tube 12, the water inlet ends of the plurality of gas water heaters 20 are communicated with the inlet tube 11, the water outlet ends of the plurality of gas water heaters 20 are communicated with the outlet tube 12, and the air inlet tube 30 is connected with the air inlet ends of the plurality of gas water heaters 20, respectively. Namely, a plurality of gas water heaters 20 share one water inlet pipe 11, one water outlet pipe 12 and one air inlet pipe 30. That is, the water path and the gas path of each gas water heater 20 of the gas water supply system 100 of the present application are connected in parallel, and each gas water heater 20 is supplied with water through one water inlet pipe 11, supplied with water through one water outlet pipe 12, and supplied with air through one air inlet pipe 30.
When the condition that one gas water heater 20 is started is met, the water inlet pipe 11 only supplies water to one gas water heater 20, and the air inlet pipe 30 also only supplies air to one gas water heater 20; when the condition that two or more gas water heaters 20 are simultaneously opened is met, water in the water inlet pipe 11 can simultaneously supply water to the plurality of gas water heaters 20, the air inlet pipe 30 also simultaneously supplies air to the plurality of gas water heaters 20, hot water supplied by the plurality of gas water heaters 20 is gathered in the water outlet pipe 12, and optionally, the hot water after gathering the water outlet pipe 12 can be sent out through a plurality of shunt pipes or enters the water storage tank for storage. Therefore, the stable external delivery temperature of the hot water of the gas water supply system 100 can be ensured, and the influence of different outlet water temperatures of different gas water heaters 20 on the water supply temperature is reduced.
The central controller 40 is respectively connected with a plurality of the gas water heaters 20 in a communication way. Usually, each gas water heater 20 has an independent main control board, and the normal operation of the gas water heater 20 is controlled by the main control board. That is, the gas water heaters 20 of the gas water supply system 100 are independent from each other, in order to ensure that each gas water heater 20 in the gas water supply system 100 is started and stopped reasonably and orderly, the central controller 40 is in communication connection with the main control board of each gas water heater 20, that is, the central controller 40 can receive the working information of each gas water heater 20, and the central controller 40 can also comprehensively analyze and decide the operation mode of the gas water supply system 100 according to the operation environment of the whole gas water supply system 100, for example, a single-machine operation mode, a dual-machine operation mode or a multi-machine linkage operation mode, wherein the working environment includes, but is not limited to, the air intake amount, the water intake temperature, the water outlet temperature parameter set by the user, the working duration of each gas water heater 20, and fault information. Of course, in the case that the central controller 40 is disconnected from the communication with each gas water heater 20, each gas water heater 20 may also control its operating status through its own main control board.
In order to make the central controller 40 better coordinate the start and stop of each gas water heater 20, in the present application, the commodity attributes of each gas water heater 20 of the gas water supply system 100 are substantially the same, and the commodity attributes include basic structural attributes and basic functional attributes, such as combustion load, air-fuel ratio, operation mode, and the like.
The method for starting and stopping each gas water heater 20 by the central controller 40 is mainly as follows: the central controller 40 determines the number of gas water heaters 20 to be turned on or off according to the water flow rate of the water inlet assembly; the central controller 40 determines the operation state of the gas water heater 20 according to the accumulated operation time of the gas water heater 20. That is, the central controller 40 will determine the number of gas water heaters 20 to be turned on or off according to the amount of the water inflow, in other words, the central controller 40 can respond to the change of the water flow and intelligently instruct the gas water heater to be turned on or off according to the recorded accumulated working time of the gas water heater 20.
It is understood that, to implement the above-described embodiment, the central controller 40 may obtain the accumulated operating time of each gas water heater 20. The principle of the central controller 40 in selecting the gas water heater 20 to be turned on or turned off may be as follows, selecting the gas water heater 20 with shorter accumulated operating time as the gas water heater 20 to be turned on, and selecting the gas water heater 20 with longer accumulated operating time as the gas water heater 20 to be turned off. Therefore, the actual accumulated working time of the plurality of gas water heaters 20 in the same gas water supply system 100 can be kept at the same level, so that the gas water heaters 20 in the gas water supply system 100 are prevented from being used at high frequency, and the gas water heaters 20 are only used at low frequency, and the operation capacity and the use efficiency of the whole gas water supply system 100 can be comprehensively improved.
A general operation mode of the gas water supply system 100 will now be described, in which power-on start is performed, that is, each of the gas water heaters 20 and the central controller 40 is powered on, water flow of the waterway assembly is detected, and the water flow satisfies a single gas water heater 20 or a plurality of gas water heaters 20, if the water flow satisfies that the single gas water heater 20 is smaller than two gas water heaters 20, then one gas water heater 20 is started and the accumulated operation time of the gas water heater 20 is shortest, if the water flow satisfies a plurality of gas water heaters 20 (two or more gas water heaters 20), two or more gas water heaters 20 with longer accumulated operation time are selected, and the water flow is evenly distributed to the plurality of gas water heaters 20, so as to ensure that the operation environments of the plurality of gas water heaters 20 are substantially the same. In the using process, if it is detected that the water flow rate cannot meet the requirement when the plurality of gas water heaters 20 are operated simultaneously (that is, the water flow rate of each gas water heater 20 is smaller than the water flow rate when a single gas water heater 20 is operated), one, two or more than two gas water heaters 20 with longer accumulated operation time periods are turned off.
In short, according to the gas water supply system 100 of the embodiment of the present invention, the central controller 40 intelligently starts or shuts down the gas water heater 20 to be started or shut down according to the water flow rate of the waterway assembly and the accumulated operating time of each gas water heater 20, so as to comprehensively improve the operation capacity and the use efficiency of the whole gas water supply system 100.
In some embodiments of the present invention, as shown in fig. 1 in conjunction with fig. 2, the central controller 40 comprises: the display panel 41 displays at least the set outlet water temperature of the gas water supply system 100, and the operation panel 42 has an upper adjusting key 421 and a lower adjusting key 422, and the set outlet water temperature is adjusted through the upper adjusting key 421 and the lower adjusting key 422. That is, in the case that the central controller 40 controls the multi-stage linkage operation mode of the plurality of gas water heaters 20, the outlet water temperatures of all the gas water heaters 20 may be set on the central controller 40, and the set outlet water temperature information is fed back to the main control board of each gas water heater 20, so that individual setting of each gas water heater 20 is avoided, and the operation simplicity of the gas water supply system 100 is improved. For example, when the outlet water temperature needs to be adjusted up, the outlet water temperature can be adjusted up through the up-regulation key 421, and when the outlet water temperature needs to be adjusted down, the outlet water temperature can be adjusted down through the down-regulation key 422. The up-and- down keys 421 and 422 may be mechanical keys or touch keys.
In an optional embodiment, as shown in fig. 2, the central controller 40 is further provided with a plurality of data connection lines 43 connected to the gas water heater 20, the housing 44 is provided with a plurality of slots 441, and the plurality of data connection lines 43 are respectively clamped in the slots 441. Namely, the data connection line 43 is fixed through the clamping groove 441, so that the connection stability between the gas water heater 20 and the central controller 40 is improved, the stability of communication signals is ensured, and the normal and stable operation of the gas water supply system 100 is further ensured.
In an alternative embodiment, as shown in fig. 2, a switch key 423 is further disposed on the operation panel 42, and the switch key 423 controls the power on and off of each gas water heater 20. Therefore, in the multi-machine linkage working mode, the circuits of all the gas water heaters 20 can be controlled through the switch key 423, and all the gas water heaters 20 are switched on and off simultaneously, so that the operation is convenient.
In a further alternative example, as shown in fig. 2, the display panel 41 is provided with a machine address serial number mark 411, the machine address serial number mark 411 has a working lamp and a fault lamp, and correspondingly, the operation panel 42 is provided with a selection key for selecting the machine address serial number mark 411 and clearing the fault in conjunction with a switch key 423. In other words, when a certain gas water heater 20 is working normally, the working lamp of the corresponding machine address serial number identifier 411 is lighted; when a certain gas water heater 20 has a fault, the fault lamp of the corresponding machine address serial number identifier 411 is lighted, the machine address serial number identifier 411 corresponding to the gas water heater 20 with the fault can be selected through the selection key, and the fault lamp can be cleared through the mode that the on-off key 423 is turned off first and then turned on.
In some embodiments of the present invention, the gas water supply system 100 has a multiple unit linkage operation mode and a single unit independent operation mode, and in the case of the single unit independent operation mode, the central controller 40 is disconnected from the communication with the plurality of gas water heaters 20. That is, each gas water heater 20 may select a multi-unit linkage or a single-unit independent operation mode, and particularly, may select a single-unit independent operation mode after the central controller 40 has an obstacle, so that it may be ensured that the gas water supply system 100 supplies water to the outside normally, and it may be ensured that the user may use water normally.
A control method of the gas water supply system 100 according to an embodiment of the present invention is described in detail below, and as shown in fig. 3, the control method includes the steps ofPowering up a water supply system, and selecting a multi-machine linkage working mode; detecting the water flow of the waterway component, and starting the water flow Q when the water flow is larger than a single machineStarting upAnd is less than the multi-machine linkage starting water flow Q1Starting the gas water heater with the shortest accumulated working time under the condition of (1); when the water flow is more than (n-1) Q1And less than n x Q1Starting the nth gas water heater, wherein the nth gas water heater is the gas water heater with the shortest accumulated working time, n is more than 2, and Q is1Starting water flow for multi-machine linkage; when the water flow is smaller and the water flow is more than (m-1) Q2And less than m Q2The condition (1) is that the mth gas water heater is closed, the mth gas water heater is the gas water heater with the longest accumulated working time, wherein m is more than or equal to 2, and Q2And closing water flow for multi-machine linkage.
For example, the water flow rate in the waterway assembly is greater than Q1Less than 2Q1At this time, the central controller 40 starts the gas water heater 20 having the shortest accumulated operating time. As another example, the water flow rate in the waterway assembly is greater than 2Q1Less than 3Q1At this time, the central controller 40 starts two gas water heaters 20, and the accumulated operation time periods of the two gas water heaters 20 are shorter one time and shorter the other time. For another example, the water flow rate in the waterway assembly is from 2Q1To 2Q1In the case where the gas water heater 20 needs to be turned off, the central controller 40 turns off the gas water heater 20 having a longer accumulated operation time. For another example, the water flow rate in the waterway assembly is 3Q1Less than Q1When the central controller 40 turns off the two gas water heaters 20, the accumulated operating time of the two gas water heaters 20 is longest one and the other.
Optionally, the combustion state of each gas water heater 20 is sensed through a flame sensor, the flame sensor is in communication connection with a timer of the central controller 40, and the working time of the gas water heater 20 is recorded through the timer in an accumulated manner. That is, the working state of the gas water heater 20 can be fed back to the central controller 40 in real time, the accumulated working time of the gas water heater 20 is recorded by the central controller 40, and the gas water heater 20 which is turned on or off is judged by combining the water flow and the accumulated working time, so that the purpose of intelligent start-stop is achieved.
In an alternative embodiment, in the event of a failure of one or more of the gas water heaters 20 in the gas water supply system 100, the central controller 40 controls the water proportional valve of one or more of the gas water heaters 20 to close. Therefore, cold water is prevented from being mixed into the water outlet pipe, and the temperature of the water in the water outlet pipe is reduced.
Further optionally, in case of failure of all the gas water heaters 20 in the gas water supply system 100, the central controller 40 keeps at least one of the gas water heaters 20 to continue to operate. Therefore, normal water use of the user can be ensured.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A gas water supply system, characterized in that the gas water supply system comprises:
the water path assembly is provided with a water inlet pipe and a water outlet pipe;
the water inlet ends of the plurality of gas water heaters are communicated with the water inlet pipe, and the water outlet ends of the plurality of gas water heaters are communicated with the water outlet pipe;
the air inlet pipe is connected with the air inlet ends of the plurality of gas water heaters;
the central controller is in communication connection with the plurality of gas water heaters respectively;
wherein the central controller determines the number of gas water heaters to be started or shut down according to the water flow rate of the water inlet assembly; and the central controller determines the working state of the gas water heater according to the accumulated working time of the gas water heater.
2. The gas water supply system according to claim 1, wherein the central controller comprises: the display panel at least displays the set outlet water temperature of the gas water supply system, and the operation panel is provided with an upper adjusting key and a lower adjusting key, and the set outlet water temperature is adjusted through the upper adjusting key and the lower adjusting key.
3. The gas water supply system according to claim 2, wherein the central controller is further provided with a plurality of data connecting lines connected with the gas water heater, a plurality of clamping grooves are formed in a shell of the central controller, and the plurality of data connecting lines are sequentially and respectively clamped in the clamping grooves.
4. The gas water supply system according to claim 2, wherein an on-off key is further provided on the operation panel, and the on-off of each gas water heater is controlled through the on-off key.
5. The gas water supply system according to claim 4, wherein the display panel is provided with a machine address serial number indicator having a working lamp and a fault lamp, and correspondingly, the operation panel is provided with a selection key for selecting the machine address serial number indicator and clearing the fault in conjunction with an on-off key.
6. The gas water supply system according to claim 1, wherein said gas water supply system has a multiple unit linkage operation mode and a single unit independent operation mode, and in case of the single unit independent operation mode, said central controller is disconnected from communication with a plurality of said gas water heaters.
7. The control method of the gas water supply system according to claim 1, characterized by comprising the steps of:
the gas water supply system is powered on, and a multi-machine linkage working mode is selected;
detecting the water flow of the waterway component, and starting the water flow Q when the water flow is larger than a single machineStarting upAnd is less than the multi-machine linkage starting water flow Q1Starting the gas water heater with the shortest accumulated working time under the condition of (1); when the water flow is more than (n-1) Q1And less than n x Q1Starting the nth gas water heater, wherein the nth gas water heater is the gas water heater with the shortest accumulated working time, n is more than 2, and Q is1Starting water flow for multi-machine linkage;
when the water flow is smaller and the water flow is more than (m-1) Q2And less than m Q2The condition (1) is that the mth gas water heater is closed, the mth gas water heater is the gas water heater with the longest accumulated working time, wherein m is more than or equal to 2, and Q2For multi-machine linkage closingWater flow rate.
8. The control method of the gas water supply system according to claim 7, wherein the combustion state of each gas water heater is sensed through a flame sensor, the flame sensor is in communication connection with a timer of the central controller, and the working time of the gas water heaters is recorded through the timer in an accumulated mode.
9. The method for controlling a gas water supply system according to claim 6, wherein the central controller controls the water proportional valve of one or more gas water heaters to be closed in case of a failure of one or more gas water heaters in the gas water supply system.
10. The method for controlling a gas water supply system according to claim 8, wherein the central controller keeps at least one of the gas water heaters in operation in case of a failure of all the gas water heaters in the gas water supply system.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020106125256 | 2020-06-30 | ||
| CN202010612525 | 2020-06-30 |
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| CN113865102A true CN113865102A (en) | 2021-12-31 |
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| CN202010622993.1A Pending CN113865102A (en) | 2020-06-30 | 2020-07-01 | Gas water supply system and control method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705980A (en) * | 2012-06-06 | 2012-10-03 | 广东万家乐燃气具有限公司 | Device with heating and water-heating device multi-machine parallel system and use method thereof |
| CN104197502A (en) * | 2014-09-05 | 2014-12-10 | 成都前锋电子有限责任公司 | Heat source machine formed by connecting gas water heaters in parallel and control method |
| CN204063518U (en) * | 2014-09-05 | 2014-12-31 | 成都前锋电子有限责任公司 | A kind of gas heater the heat source machine be unified into |
| CN107676987A (en) * | 2017-08-31 | 2018-02-09 | 广东华美骏达电器有限公司 | Fully-automatic thermostatic heater operation's plate communication system |
-
2020
- 2020-07-01 CN CN202010622993.1A patent/CN113865102A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705980A (en) * | 2012-06-06 | 2012-10-03 | 广东万家乐燃气具有限公司 | Device with heating and water-heating device multi-machine parallel system and use method thereof |
| CN104197502A (en) * | 2014-09-05 | 2014-12-10 | 成都前锋电子有限责任公司 | Heat source machine formed by connecting gas water heaters in parallel and control method |
| CN204063518U (en) * | 2014-09-05 | 2014-12-31 | 成都前锋电子有限责任公司 | A kind of gas heater the heat source machine be unified into |
| CN107676987A (en) * | 2017-08-31 | 2018-02-09 | 广东华美骏达电器有限公司 | Fully-automatic thermostatic heater operation's plate communication system |
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