CN217004944U - Control system of gas water heater - Google Patents
Control system of gas water heater Download PDFInfo
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- CN217004944U CN217004944U CN202220812762.1U CN202220812762U CN217004944U CN 217004944 U CN217004944 U CN 217004944U CN 202220812762 U CN202220812762 U CN 202220812762U CN 217004944 U CN217004944 U CN 217004944U
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Abstract
The utility model discloses a control system of a gas water heater, which comprises a main controller, a circulating water pump, an exhaust fan, an igniter, a flow sensor, a zero-cold-water temperature sensor, a water temperature sensor and a wireless controller, wherein the main controller is connected with the circulating water pump; the flow sensor measures water flow in the pipeline and sends water flow data to the main controller; the water temperature sensor measures the water temperature and sends temperature data to the main controller; the main controller is written with a temperature comparison program, the zero cold water temperature sensor measures a temperature value and sends temperature data to the main controller, and the temperature value is compared through the temperature comparison program. The control system of the utility model is provided with various troubleshooting functions, such as detecting whether the exhaust fan operates correctly or not, detecting whether the igniter operates correctly or not, and entering a failure mode if the igniter does not operate correctly, so that the gas water heater is safer and more reliable in use; the effect of zero cold water can be realized, and better experience is provided for users.
Description
Technical Field
The utility model relates to the technical field of gas water heaters, in particular to a control system of a gas water heater.
Background
The traditional gas water heater needs to discharge cold water in a section before using the hot water, and the hot water flows out only after the cold water flows out, so that waste of water resources is caused, and particularly when the gas water heater is used for bathing, the hot water needs to wait for flowing out in cold weather, so that a user has poor experience; meanwhile, the water heater on the market at present does not have the function of troubleshooting, and risks are brought to the use of the gas water heater.
Therefore, the applicant develops a control system for a zero-cold-water gas water heater aiming at the current gas water heater.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a control system for a gas water heater.
In order to achieve the purpose, the utility model adopts the following technical scheme: the control system of the gas water heater comprises a main controller, a circulating water pump, an exhaust fan, an igniter, a flow sensor, a zero-cold-water temperature sensor and a water temperature sensor; the flow sensor is electrically connected with the main controller, measures water flow in the pipeline and sends water flow data to the main controller; the water temperature sensor is connected with the main controller, measures water temperature and sends temperature data to the main controller; a temperature comparison program is written in the main controller, the zero cold water temperature sensor measures a temperature value and sends temperature data to the main controller, and the values are compared through the temperature comparison program; the main controller is electrically connected with the circulating water pump and controls the circulating water pump to operate; the main controller is electrically connected with the exhaust fan to control the exhaust fan to run; the main controller is connected with the igniter and controls the igniter to ignite; further comprising: a wireless controller.
In a further technical scheme, the water temperature sensor is connected with the main controller through a water temperature acquisition circuit, and the water temperature sensor acquires the water flow temperature in a pipeline when the gas water heater operates and transmits temperature data to the main controller.
In a further technical scheme, the flow sensor is connected with the main controller through a flow acquisition circuit, and the flow sensor acquires water flow of a main pipeline in the gas water heater and transmits water flow data to the main controller.
In a further technical scheme, the igniter is connected with the main controller through an ignition detection circuit, and the ignition detection circuit feeds back ignition data to the main controller.
In a further technical scheme, the exhaust fan is connected with the main controller through a wind pressure detection circuit, and the wind pressure detection circuit feeds back wind pressure data/fan operation data to the main controller.
In a further technical scheme, the main controller is connected with an input circuit, and at least controls input temperature parameters, startup and shutdown, calling and zero-cold-water switching through the input circuit.
In a further technical scheme, the device also comprises a proportional valve, and the main controller controls the proportional valve to operate.
In a further technical scheme, the wireless controller is connected with the main controller through a wireless communication circuit; the wireless communication circuit is any one of a GSM module, a 4G module, a WIFI module and a Bluetooth module.
In a further technical scheme, the method further comprises the following steps: the temperature controller is electrically connected with the main controller, and when the temperature is higher than a set value, the control circuit is disconnected.
In a further technical scheme, a display and an input end are arranged on the wireless controller; the display is used for displaying the real-time running state of the gas water heater; the input end at least controls input temperature parameters, startup and shutdown, calling and zero cold water switch.
According to the technical scheme, compared with the prior art, the utility model has the following beneficial technical effects:
1. by the control system, the effect of zero cold water can be realized, and a better experience feeling is provided for a user;
2. the control system of the utility model is provided with various troubleshooting functions, such as detecting whether the exhaust fan operates correctly or not, detecting whether the igniter operates correctly or not, and entering a failure mode if the igniter does not operate correctly, so that the gas water heater is safer and more reliable in use;
3. the utility model is provided with the wireless controller, the current running state of the gas water heater can be checked through the wireless controller, and various parameters can be set, so that the use is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of the use of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the description of the present application, it is to be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, the control system of the gas water heater includes a main controller 100, a circulating water pump 200, an exhaust fan 300, an igniter 400, a flow sensor 500, a zero-cooling water temperature sensor 600, a water temperature sensor 700, a wireless controller 800, and a proportional valve 900.
A temperature comparison program is written in the main controller 100, the zero cold water temperature sensor 600 is electrically connected with the main controller 100, the zero cold water temperature sensor 600 measures a temperature value and transmits temperature data to the main controller 100, and the temperature comparison program in the main controller 100 compares the temperature to judge whether cold water exists in a pipeline; when the traditional water heater is used, when the water heater is started, cold water flows out for a short time, hot water flows out after cold water flows out, in order to prevent water resource waste and save time, a threshold value is set in a temperature comparison program of the zero cold water temperature sensor 600 for detecting temperature data in a pipeline, the threshold value is compared with the temperature data of the zero cold water temperature sensor 600 to obtain a temperature difference value delta C, and the temperature difference value delta C is transmitted to the main controller 100;
in this embodiment, the threshold temperature is reduced by the temperature detected by the cold water temperature sensor 600 to obtain a value Δ C; setting that cold water exists in the pipeline when the delta C is greater than or equal to 5 degrees; if the delta C is set to be less than 5 degrees, cold water is set to be absent in the pipeline; the value of Δ C and the threshold value may be set as required.
The flow sensor 500 is electrically connected with the main controller 100, the flow sensor 500 measures water flow in a pipeline and sends water flow data to the main controller 100, and the flow sensor is arranged at the water inlet end of the gas water heater and senses whether water flows through the flow sensor; specifically, the flow sensor 500 is connected to the main controller 100 through a flow collecting circuit 510, and the flow sensor 500 collects water flow of a main pipe in the gas water heater and transmits flow data to the main controller 100.
The water temperature sensor 700 is connected with the main controller 100, the water temperature sensor 700 measures water temperature in a pipeline and sends temperature data to the main controller 100, specifically, the water temperature sensor 700 is connected with the main controller 100 through a water temperature acquisition circuit 710, and the water temperature sensor 700 acquires water flow temperature in the pipeline when the gas water heater operates and sends the temperature data to the main controller 100; the water temperature sensor 700 is different from the zero cold water temperature sensor 600, and the zero cold water temperature sensor 600 mainly measures the temperature of cold water in a pipeline in standby and zero cold water working modes to prevent cold water from existing; the water temperature sensor 700 is mainly used for measuring the water temperature of hot water in the use process of the gas water heater, and whether the water temperature reaches a set value; such as: the user sets the temperature of the discharged water to be 65 degrees, whether the temperature of the water reaches 65 degrees or not is mainly detected through the water temperature sensor 700 when the water is used, if the temperature of the water does not reach 65 degrees or exceeds 65 degrees, the combustion of a burner in the gas water heater needs to be correspondingly controlled, and the temperature is more accurate.
The main controller 100 is electrically connected to the circulating water pump 200 to control the circulating water pump 200 to operate.
The main controller 100 is electrically connected to the exhaust fan 300 to control the operation of the exhaust fan 300, specifically, the exhaust fan 300 is connected to the main controller 100 through the wind pressure detection circuit 310, the wind pressure detection circuit 310 feeds back wind pressure data/fan operation data to the main controller 100, and the main controller 100 can analyze whether the exhaust fan 300 operates correctly through the data fed back by the wind pressure detection circuit 310 to detect whether the exhaust fan 300 has a fault;
optionally, in the wind pressure detecting circuit 310, wind speed may be detected by elements such as a wind sensor, when the exhaust fan 300 operates, wind pressure at the air outlet of the exhaust fan 300 of the gas water heater may be significantly increased, and if the main controller 100 controls the exhaust fan 300 to operate, and data fed back by the wind pressure detecting circuit 310 is unchanged or changes little, it may be proved that the exhaust fan 300 has a fault; the data herein may refer to a current value or a voltage value.
The main controller 100 is connected to the igniter 400 to control ignition of the igniter 400, specifically, the igniter 400 is connected to the main controller 100 through an ignition detection circuit 410, and the ignition detection circuit 410 feeds back ignition data to the main controller 100 to detect whether the igniter 400 has a fault; here, the ignition detection circuit 410 may detect whether there is a fault by detecting temperature.
The main controller 100 is connected with an input circuit 110, and at least controls input temperature parameters, startup and shutdown, calling and zero-cold-water switching through the input circuit 110; the input circuit 110 may perform control and parameter setting through key input, touch screen input, voice input, and the like; the temperature ratio can be modified through the input circuit 110 according to the threshold, the difference Δ C and the like in the program, and the personalized requirements can be met.
The main controller 100 controls the proportional valve 900 to operate, wherein the proportional valve 900 is mainly a gas proportional valve, and when the gas water heater operates and the water temperature sensor 700 detects that the temperature is not in accordance with the set water temperature, the proportional valve 900 can be controlled to further control the fire amount, so as to control the water temperature.
The wireless controller 800 is connected with the main controller 100 through a wireless communication circuit; the wireless communication circuit is any one of a GSM module, a 4G module, a WIFI module and a Bluetooth module; the wireless controller 800 is provided with a display 810 and an input 820; the display 810 is used for displaying the real-time running state of the gas water heater;
the input terminal 820 controls at least input temperature parameters, power on and off, call, and zero cold water switch.
Such as: through the wireless controller 800, the operation of the gas water heater can be controlled, and the water temperature of hot water can be controlled and adjusted.
The main controller 100 can be provided with a fixed operation mode, and can reach the set mode through a one-key starting mode, and the setting is not needed in each use, so that the use requirements of different users are met.
For example, a healthy bath mode is set, and the state of the healthy bath (set temperature 40 degrees) can be quickly adjusted while displaying a pattern of the state.
More specifically, the input circuit 110 and the input 820 of the wireless controller 800 may each provide water temperature regulation between 35 ℃ and 65 ℃.
More specifically, the display 810 is provided with an icon indicating whether the connection with the main controller 100 is successful.
Furthermore, an alarm may be connected to the main controller 100, and when a fault is detected, an alarm is issued; and, the alarm can also be controlled to make a call at the input 820 of the wireless controller 800.
The application of the present system is further illustrated below:
detecting whether cold water exists:
the zero-cold-water temperature sensor 600 detects the water temperature in the pipeline at regular time, transmits water temperature data to a temperature comparison program to be compared with a threshold value, obtains a difference value deltaC, transmits the deltaC data to the main controller 100, and judges through the main controller 100:
1. when the delta C does not meet a set value, namely the delta C is smaller than 5 degrees, no cold water exists in the pipeline, meanwhile, the flow sensor 500 detects the current water flow, and when no water flow is detected, the gas water heater enters a standby state;
2. when the deltaC does not meet a set value, namely the deltaC is less than 5 degrees, no cold water exists in the pipeline, meanwhile, the flow sensor 500 detects the current water flow, when the water flow is detected, the water heater enters a normal working mode, and the main controller 100 controls the exhaust fan 300 and the igniter 400 to operate;
3. when the delta C meets a set value, namely the delta C is larger than or equal to 5 degrees, cold water exists in the pipeline, the circulating water pump 200 is controlled to operate, the exhaust fan 300 and the igniter 400 are controlled to operate simultaneously to heat the water temperature, when the zero cold water temperature sensor 600 detects the water temperature again, and when the delta C does not meet the set value, cold water does not exist, and the main controller 100 controls the gas water heater to stop operating.
More specifically, during the operation of the gas water heater, several troubleshooting operations are required to ensure that the gas water heater is operating correctly:
in the judgment of the '3', when the Δ C meets a set value, that is, the Δ C is not less than 5 °, cold water is in the pipeline, the circulating water pump 200 is controlled to operate, the current water flow is detected by the flow sensor 500, if the flow sensor 500 detects that almost no water flows after the circulating water pump 200 is started, the circulating water pump 200 is judged to be in a fault, a fault signal is transmitted to the main controller 100, and the main controller 100 controls to enter a fault mode;
if the flow sensor 500 detects the water flow after the circulation water pump 200 is turned on, the following main controller 100 controls the operation of the exhaust fan 300, and when the exhaust fan 300 operates, the wind pressure detection circuit 310 is required to detect the wind pressure to judge whether the exhaust fan 300 operates correctly; if abnormal operation of the exhaust fan 300 is detected, the main controller 100 automatically switches to a failure mode;
if the exhaust fan 300 operates correctly, the igniter 400 is controlled to ignite, and during ignition, whether ignition is successful or not needs to be detected through the ignition detection circuit 410, and if the ignition of the igniter 400 is not successful and a fault exists, the main controller 100 automatically switches to a fault mode;
if the ignition is successful, the gas water heater operates correctly until the water temperature is detected again by the zero cold water temperature sensor 600 next time, and when the delta C does not meet the set value, no cold water exists, and the main controller 100 controls the gas water heater to stop operating.
Similarly, in the determination of "2", troubleshooting may be performed in the above manner.
The main controller 100 is also connected with a temperature controller 120, and the temperature controller 120 mainly plays a role in preventing dry burning; generally, the highest set value that can be achieved in a gas water heater is X, where X is assumed to be 85 °, and of course, the specific value of X is changed to a different value according to actual needs;
when the temperature of the water is higher than 85 degrees, the temperature of the water is high, and the temperature of the water is low, the temperature of the water is high, and the temperature of the water is high; at this time, the temperature controller 120 is turned off, so that the circuit is turned off, the gas water heater does not operate any more, and the dry burning prevention effect is achieved.
Through the control system of the gas water heater, the safe and stable control mode can be realized, and the effect of zero cold water can be achieved. Meanwhile, the running state of the current gas water heater can be visually observed through the display 810 on the wireless remote controller 800, and the gas water heater can be controlled through the wireless remote controller 800, so that the gas water heater is simple and convenient to use.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The control system of the gas water heater is characterized in that: comprises a main controller (100), a circulating water pump (200), an exhaust fan (300), an igniter (400), a flow sensor (500), a zero-cold-water-temperature sensor (600) and a water-temperature sensor (700);
the flow sensor (500) is electrically connected with the main controller (100), and the flow sensor (500) measures water flow in a pipeline and sends water flow data to the main controller (100);
the water temperature sensor (700) is connected with the main controller (100), and the water temperature sensor (700) measures the water temperature in a pipeline when the gas water heater operates and sends temperature data to the main controller (100);
a temperature comparison program is written in the main controller (100), the zero cold water temperature sensor (600) measures a temperature value and sends temperature data to the main controller (100), and the temperature value is compared through the temperature comparison program;
the main controller (100) is electrically connected with the circulating water pump (200) to control the circulating water pump (200) to operate;
the main controller (100) is electrically connected with the exhaust fan (300) and controls the exhaust fan (300) to operate;
the main controller (100) is connected with the igniter (400) and controls the ignition of the igniter (400);
further comprising: a wireless controller (800).
2. The control system of a gas water heater of claim 1, wherein: the water temperature sensor (700) is connected with the main controller (100) through a water temperature acquisition circuit (710), and the water temperature sensor (700) acquires the water flow temperature in a pipeline when the gas water heater operates and transmits temperature data to the main controller (100).
3. The control system of a gas water heater of claim 1, wherein: the flow sensor (500) is connected with the main controller (100) through the flow acquisition circuit (510), and the flow sensor (500) acquires water flow of a main pipeline in the gas water heater and transmits flow data to the main controller (100).
4. The control system of a gas water heater of claim 1, wherein: the igniter (400) is connected with the main controller (100) through an ignition detection circuit (410), and the ignition detection circuit (410) feeds back ignition data to the main controller (100).
5. The control system of a gas water heater of claim 1, wherein: the exhaust fan (300) is connected with the main controller (100) through the wind pressure detection circuit (310), and the wind pressure detection circuit (310) feeds back wind pressure data/fan operation data to the main controller (100).
6. The control system of a gas water heater of claim 1, wherein: the main controller (100) is connected with an input circuit (110), and at least controls input temperature parameters, startup and shutdown, calling and zero-cold water switch through the input circuit (110).
7. The control system of a gas water heater of claim 1, wherein: the proportional valve (900) is further included, and the main controller (100) controls the proportional valve (900) to operate.
8. The control system of a gas water heater of claim 1, wherein: the wireless controller (800) is connected with the main controller (100) through a wireless communication circuit; the wireless communication circuit is any one of a GSM module, a 4G module, a WIFI module and a Bluetooth module.
9. The control system of a gas water heater of claim 1, wherein: further comprising: the temperature controller (120), the temperature controller (120) and main control unit (100) electric connection, when the temperature is higher than the setting value, the control circuit disconnection.
10. The control system of a gas water heater according to claim 1 or 8, wherein: the wireless controller (800) is provided with a display and an input end; the display (810) is used for displaying the real-time running state of the gas water heater; the input end (820) at least controls input temperature parameters, startup and shutdown, calling and zero cold water switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220812762.1U CN217004944U (en) | 2022-04-11 | 2022-04-11 | Control system of gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220812762.1U CN217004944U (en) | 2022-04-11 | 2022-04-11 | Control system of gas water heater |
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| Publication Number | Publication Date |
|---|---|
| CN217004944U true CN217004944U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220812762.1U Active CN217004944U (en) | 2022-04-11 | 2022-04-11 | Control system of gas water heater |
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| Country | Link |
|---|---|
| CN (1) | CN217004944U (en) |
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- 2022-04-11 CN CN202220812762.1U patent/CN217004944U/en active Active
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