CN220489426U - Water outlet power-off control device of electric water heater - Google Patents
Water outlet power-off control device of electric water heater Download PDFInfo
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- CN220489426U CN220489426U CN202223432245.0U CN202223432245U CN220489426U CN 220489426 U CN220489426 U CN 220489426U CN 202223432245 U CN202223432245 U CN 202223432245U CN 220489426 U CN220489426 U CN 220489426U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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Abstract
The utility model discloses a water outlet power-off control device of an electric water heater, which comprises a controller and a flow sensor; the controller is connected with an alternating-current voltage source; the output end of the controller is connected with the electric heating tube; the flow sensor is arranged at the cold water input end of the electric water heater, and detects a water flow signal and transmits the water flow signal to the controller; the controller is also electrically connected with a temperature sensor; the controller also comprises an operation panel, and the operation panel transmits control signals to the controller; the controller controls the on-off of the switch of the electrothermal tube according to the signals of the flow sensor and the temperature sensor. According to the utility model, the flow sensor is arranged to sense the water flow signal of the input end of the electric water heater, and the relay synchronously cuts off the power supply of the heating pipe of the electric water heater when hot water is used, so that the safety effect of pulling out the power plug to use the water heater is equivalent, and the potential hidden danger of electricity utilization safety is completely eradicated in the use process.
Description
Technical Field
The utility model belongs to the technical field of electric water heaters, and particularly relates to a water outlet power-off control device of an electric water heater.
Background
At present, water heaters are household appliances commonly used in daily life of people, and are classified into electric water heaters, heat pump water heaters, solar water heaters and the like. The electric water heater is widely used because of its convenient use. The electric water heater can be divided into a water storage type electric water heater and an instant heating type electric water heater according to the heating power, and the water storage type electric water heater is provided with a water tank, so that the electric water heater has the characteristics of large water yield, stable water temperature and the like, and is purchased and used by more families.
The common household leakage protector adopted by the current water storage type electric water heater mainly performs passive protection according to the working principle, namely, the leakage action is firstly generated and then the protection action is executed, and the passive protection has potential safety hazards under extreme conditions according to different electricity utilization environments and different results brought by personal differences.
Disclosure of Invention
The utility model aims to provide a water outlet power-off control device of an electric water heater, which is characterized in that a flow sensor is arranged to sense a water flow signal at the input end of the electric water heater, and a relay synchronously cuts off a heating pipe power supply of the electric water heater when hot water is used, so that the safety effect of pulling out a power plug to use the electric water heater is equivalent, and potential hidden hazards of electricity utilization safety are completely eradicated in the use process.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a water outlet power-off control device of an electric water heater, which comprises a controller and a flow sensor; the controller is connected with an alternating-current voltage source; the output end of the controller is connected with the electric heating tube; the flow sensor is arranged at the cold water input end of the electric water heater, and detects a water flow signal and transmits the water flow signal to the controller; the controller is also electrically connected with a temperature sensor; the controller also comprises an operation panel, and the operation panel transmits control signals to the controller; the controller controls the on-off of the switch of the electrothermal tube according to the signals of the flow sensor and the temperature sensor.
Further, the controller is connected with an alternating voltage source through a power plug, and the alternating voltage source is a 220V alternating voltage source.
Further, a thermal breaker is connected in series between the controller and the power plug.
Further, the temperature sensor senses temperature data of the heating pipe and transmits the temperature data to the controller.
Further, the controller comprises a relay and a microprocessor, one end of the relay is connected with a live wire of an alternating-current voltage source, and the other end of the relay is connected with an electric heating tube;
the microprocessor receives and processes the control signals of the operation panel, the signals of the temperature sensor and the flow sensor, and controls the on-off of the relay.
Further, one end of the electric heating tube is connected with the relay, and the other end of the electric heating tube is connected with a line of an alternating-current voltage source.
Further, the operation panel adopts a touch display panel, and the control signal transmitted to the microprocessor by the operation panel comprises a switch signal and target heating temperature data.
The utility model has the following beneficial effects:
according to the utility model, the flow sensor is arranged to sense the water flow signal of the input end of the electric water heater, and the relay synchronously cuts off the power supply of the heating pipe of the electric water heater when hot water is used, so that the safety effect of pulling out the power plug to use the water heater is equivalent, and the potential hidden danger of electricity utilization safety is completely eradicated in the use process.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a circuit diagram of a water outlet power-off control device of an electric water heater.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model is a water outlet power-off control device of an electric water heater, comprising a controller and a flow sensor; the controller is connected with an alternating-current voltage source; the controller is connected with an alternating voltage source through a power plug, the alternating voltage source is a 220V alternating voltage source, and a thermal breaker is connected in series between the controller and the power plug;
the output end of the controller is connected with the electric heating tube; the flow sensor is arranged at the cold water input end of the electric water heater, and detects a water flow signal and transmits the water flow signal to the controller; the controller is also electrically connected with a temperature sensor; the temperature sensor senses temperature data of the heating pipe and transmits the temperature data to the controller;
the controller also comprises an operation panel, and the operation panel transmits control signals to the controller; the control signal transmitted by the operation panel to the microprocessor comprises a switch signal and target heating temperature data;
the controller controls the on-off of the switch of the electrothermal tube according to the signals of the flow sensor and the temperature sensor; the controller comprises a relay and a microprocessor, one end of the relay is connected with a live wire of an alternating-current voltage source, and the other end of the relay is connected with the electric heating tube; one end of the electric heating tube is connected with the relay, and the other end of the electric heating tube is connected with a line of an alternating-current voltage source;
the microprocessor receives and processes the control signals of the operation panel, the signals of the temperature sensor and the flow sensor, and controls the on-off of the relay.
The operation panel is also provided with a power circuit which rectifies and transforms the received alternating current to a controller circuit for power supply.
The working flow of the water outlet power-off control device of the electric water heater is as follows: the user controls the relay to be closed through the operation panel, the electric heating tube is electrified to heat, and when the temperature sensor senses that the water temperature in the water storage tank reaches the set value of the operation panel, the controller controls the relay to be closed to stop heating.
When a user uses the water heater, the controller controls the relay to be disconnected when the flow sensor detects a certain flow, the heating tube stops heating, and the water returns to normal operation 30 seconds after the water is stopped.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (1)
1. The water outlet and power-off control device of the electric water heater is characterized by comprising a controller and a flow sensor; the controller is connected with an alternating-current voltage source; the controller is connected with an alternating-current voltage source through a power plug, and the alternating-current voltage source is a 220V alternating-current voltage source; the output end of the controller is connected with the electric heating tube; a thermal circuit breaker is also connected in series between the controller and the power plug;
the flow sensor is arranged at the cold water input end of the electric water heater, and detects a water flow signal and transmits the water flow signal to the controller; the controller is also electrically connected with a temperature sensor; the temperature sensor senses temperature data of the heating pipe and transmits the temperature data to the controller;
the controller also comprises an operation panel, and the operation panel transmits control signals to the controller;
the controller controls the on-off of the switch of the electrothermal tube according to the signals of the flow sensor and the temperature sensor;
the controller comprises a relay and a microprocessor, one end of the relay is connected with a live wire of an alternating-current voltage source, and the other end of the relay is connected with an electric heating tube; the microprocessor receives and processes the control signals of the operation panel and the signals of the temperature sensor and the flow sensor and controls the on-off of the relay;
one end of the electric heating tube is connected with the relay, and the other end of the electric heating tube is connected with a line of an alternating-current voltage source;
the operation panel adopts a touch display panel, and the control signals transmitted to the microprocessor by the operation panel comprise switch signals and target heating temperature data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223432245.0U CN220489426U (en) | 2022-12-21 | 2022-12-21 | Water outlet power-off control device of electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223432245.0U CN220489426U (en) | 2022-12-21 | 2022-12-21 | Water outlet power-off control device of electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220489426U true CN220489426U (en) | 2024-02-13 |
Family
ID=89825637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223432245.0U Active CN220489426U (en) | 2022-12-21 | 2022-12-21 | Water outlet power-off control device of electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220489426U (en) |
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2022
- 2022-12-21 CN CN202223432245.0U patent/CN220489426U/en active Active
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