Water heater control system capable of preventing incorrect installation direction

Abstract

The utility model discloses a water heater control system for preventing incorrect installation direction, which comprises a main controller, a display operator, an executive component, an inclination sensing module and a power supply module, the executive component and the display operator are both connected with the main controller, a main control MCU is arranged in the display operator, and the inclination sensing module is connected with the main control MCU; the inclination sensing module comprises an inclination sensing switch, the inclination sensing switch comprises a pin A and a pin B, the pin A is grounded, the power supply module adopts 5V voltage to supply power to the pin B, and the pin B is connected with an I / O port of the main control MCU; the main control MCU sends an instruction to the main controller according to a low-level signal of the I / O port, so that the execution element is electrified to work normally; and the main control MCU sends an instruction to the main controller according to the high level signal of the I / O port, so that the execution element is powered off to stop working. The utility model has the advantages of having the installation direction protection mechanism and preventing the incorrect installation direction.

Description

Technical Field

[0001] The utility model relates to the technical field of water heaters, in particular to a water heater control system that prevents incorrect installation directions. Background Art

[0002] The installation requirements of electric water heaters are strict, and incorrect installation may cause serious problems. Horizontal electric water heaters are designed to be installed horizontally to ensure the normal operation of their internal heating elements and water tanks; vertical electric water heaters need to be installed vertically to ensure water circulation and heating efficiency. However, since the appearance and internal structure of electric water heaters are similar, inexperienced installers can easily confuse the direction during the installation process, resulting in incorrect installation.

[0003] Secondly, this incorrect installation will not only affect the normal use of the electric water heater, but may even bring safety hazards. For example, if a horizontal electric water heater is installed vertically, it may cause uneven stress on the internal structure, improper pressure on the water tank, and the heating element cannot work properly. In extreme cases, dry burning may occur, causing safety accidents such as fire. Similarly, horizontal installation of vertical electric water heaters will also cause similar problems, uneven water temperature, low heating efficiency, and even damage to the electric water heater.

[0004] In addition, during the installation process of existing electric water heaters, there are no sufficient reminder devices or anti-misinstallation mechanisms, which cannot effectively guide the installers to operate correctly. This increases the probability of misinstallation and brings inconvenience and potential risks to consumers.

[0005] Therefore, it is necessary to further improve and perfect the prior art to overcome these deficiencies, and the present invention is made based on this situation. Utility Model Content

[0006] The utility model aims to overcome the deficiencies of the prior art and provide a water heater control system with an installation direction protection mechanism to prevent incorrect installation directions.

[0007] The utility model is realized by the following technical solutions:

[0008] In order to solve the above technical problems, the utility model provides a water heater control system that prevents incorrect installation direction, including a main controller, a display operator, an actuator, a tilt sensing module, and a power supply module, wherein the power supply module is connected to the main power supply and supplies power to the main controller, the display operator, the actuator and the tilt sensing module, the actuator and the display operator are both connected to the main controller, the display operator is provided with a main control MCU, and the tilt sensing module is connected to the main control MCU; the tilt sensing module includes a tilt sensing switch, the tilt sensing switch includes an A pin and a B pin, the A pin is grounded, the power supply module uses a 5V voltage to power the B pin, and the B pin is connected to the I / O port of the main control MCU; the main control MCU sends an instruction to the main controller according to the low-level signal of the I / O port, so that the actuator is powered to work normally; the main control MCU sends an instruction to the main controller according to the high-level signal of the I / O port, so that the actuator is powered off to stop working.

[0009] In order to further solve the technical problem to be solved by the utility model, in a water heater control system that prevents incorrect installation direction provided by the utility model, the tilt sensing switch includes a horizontal box body, the box body is encapsulated with a conductive liquid that is not full of the box, the A pin and the B pin are respectively arranged on the left and right sides of the box body, and the inner ends of the A pin and the B pin extend into the interior of the box body; when the water heater is installed in the correct direction, the box body remains horizontal and the conductive liquid therein connects the A pin and the B pin; when the water heater is installed at an angle or at 90° to the correct installation direction, the conductive liquid in the box body disconnects the A pin and the B pin.

[0010] In order to further solve the technical problem to be solved by the utility model, in a water heater control system that prevents incorrect installation direction, the utility model provides a water heater control system, in which the A pin and the B pin are respectively arranged at the bottom of the left and right sides of the box body. When the water heater is installed by flipping 180° from the correct installation direction, the conductive liquid in the box body will also disconnect the A pin and the B pin.

[0011] In order to further solve the technical problem to be solved by the utility model, in a water heater control system provided by the utility model to prevent incorrect installation direction, resistors are provided between the B pin and the I / O port and between the B pin and the 5V voltage of the power supply module.

[0012] In order to further solve the technical problem to be solved by the utility model, the utility model provides a water heater control system for preventing incorrect installation direction, wherein the actuator is an electric heater installed in the inner tank of the water heater.

[0013] In order to further solve the technical problem to be solved by the utility model, the utility model provides a water heater control system that prevents incorrect installation direction, wherein a relay is provided between the main controller and the actuator, and the main controller controls the power on and off of the actuator through the relay.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model realizes real-time monitoring and automatic control of the installation direction of the water heater through the design of the tilt sensing module, effectively avoids damage caused by installation errors, and greatly improves the safety factor of the water heater. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0017] Figure 1 It is a circuit diagram of the utility model;

[0018] Figure 2 is the circuit diagram of the tilt sensing module;

[0019] Figure 3 This is a schematic diagram of the state of the tilt sensor switch when the water heater is installed in the correct direction;

[0020] Figure 4 This is a schematic diagram of the state of the tilt sensor switch when the water heater is installed in a direction 90° to the correct direction;

[0021] Figure 5 This is a schematic diagram of the state of the tilt sensor switch when the water heater is installed in a direction 180° from the correct direction;

[0022] Figure 6 This is a schematic diagram of the state of the tilt sensor switch when the water heater is installed tilted;

[0023] Figure 7 It is a schematic diagram of the control process of the utility model. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] like Figures 1 to 7 As shown, this embodiment relates to an innovative water heater control system, which aims to effectively prevent dry-burning damage caused by incorrect installation direction of the water heater through a combination of hardware components and intelligent software logic, thereby significantly improving the safety performance of the product.

[0026] The control system is mainly composed of a main controller 1, a display operator 2, an actuator 3, a tilt sensing module 4 and a power supply module 5, etc., forming a complete installation direction detection and control mechanism.

[0027] The power supply module 5 is the power center of the system. It is directly connected to the mains and provides the required power for other modules including the main controller 1 , the display operator 2 , the actuator 3 and the tilt sensing module 4 .

[0028] The main controller 1 is responsible for coordinating the work of each module. It realizes the control and scheduling of the system working state through the connection with the display operator 2 and the actuator 3. The display operator 2 usually includes a display panel, control buttons and a main control MCU 21. The main control MCU 21 is a key micro control unit responsible for processing the signal of the tilt sensing module 4 and controlling the power supply state of the actuator 3 through the main controller 1 according to the signal state.

[0029] The tilt sensing module 4 is the core of the utility model, which includes a tilt sensing switch 41, which has an A pin and a B pin, wherein the A pin is grounded, and the B pin receives a 5V voltage through the power supply module 5 and is connected to the I / O port of the main control MCU21.

[0030] The main control MCU21 sends instructions to the main controller 1 according to the low level signal of the I / O port, so that the actuator 3 is powered on to work normally; the main control MCU21 sends instructions to the main controller 1 according to the high level signal of the I / O port, so that the actuator 3 is powered off to stop working. The details are as follows:

[0031] like Figure 3 As shown, when the installation direction of the water heater is correct (i.e., not tilted to the set wrong angle), the tilt sensing switch 41 will send a low-level signal to the I / O port of the main control MCU 21, and the main control MCU 21 will then instruct the main controller 1 to energize the actuator 3, and the water heater can work normally.

[0032] On the contrary, Figure 4-Figure 6 As shown, if the installation direction of the water heater is incorrect (i.e., tilted to or exceeding the set wrong angle), the tilt sensing switch 41 will send a high-level signal to the I / O port of the main control MCU 21, and the main control MCU 21 will then instruct the main controller 1 to cut off the power to the actuator 3, thereby stopping heating to prevent dry burning damage.

[0033] In addition, the display operator 2 can also provide the user with intuitive installation instructions and error warnings, further improving the convenience and safety of use.

[0034] The utility model realizes real-time monitoring and automatic control of the installation direction of the water heater through the design of the tilt sensing module 4, effectively avoids damage caused by installation errors, and greatly improves the safety factor of the water heater.

[0035] More specifically, the tilt sensing switch 41 is designed as a horizontal box body 411, and a certain amount (preferably half a box) of conductive liquid 412 (conductive liquid 412 is a liquid that can conduct electricity, such as metal liquid) is encapsulated inside the box body 411. The presence of the conductive liquid is the key to ensuring the normal operation of the tilt sensing switch. The A pin and the B pin are respectively arranged on the left and right sides of the box body 411, and their inner ends are respectively extended into the interior of the box body 411 to contact with the conductive liquid 412.

[0036] When the water heater is installed in the correct direction, the box body 411 remains horizontal, and the conductive liquid 412 inside it is evenly distributed and connects pins A and B. At this time, the tilt sensing module 4 transmits a low-level signal to the main control MCU 21, and the main control MCU 21 instructs the main controller 1 according to the signal to energize the actuator 3, thereby allowing the water heater to work normally.

[0037] However, when the water heater is installed at an angle or at an incorrect angle of 90°, the conductive liquid 412 in the box body 411 will flow due to gravity, causing the conductive liquid to fail to contact the A pin and the B pin at the same time, thereby disconnecting the circuit. At this time, the tilt sensing module 4 transmits a high-level signal to the main control MCU 21, and the main control MCU 21 instructs the main controller 1 according to this signal to power off the actuator 3 and stop the heating function of the water heater, thereby avoiding dry burning damage caused by incorrect installation direction.

[0038] Furthermore, the A pin and the B pin are respectively arranged at the bottom of the left and right sides of the box body 411. This design can ensure that when the water heater is installed by flipping 180° from the correct installation direction, the conductive liquid 412 in the box body 411 will still flow due to gravity and cannot contact the A pin and the B pin at the same time, thereby disconnecting the circuit. At this time, the tilt sensing module 4 will also transmit a high-level signal to the main control MCU 21, and the main control MCU 21 will instruct the main controller 1 to power off the actuator 3 and stop the water heater.

[0039] This design is not only simple and effective, but also can greatly improve the installation error tolerance and use safety of the water heater. Through the design of the tilt sensor switch 41, the installation direction of the water heater can be accurately identified to ensure that it is allowed to work normally only when it is installed correctly, fundamentally eliminating the safety hazards caused by installation errors and greatly improving the user's safe use experience.

[0040] More specifically, the design of the tilt sensing switch 41 is further optimized, and resistors are provided between the B pin and the I / O port of the main control MCU 21, and between the B pin and the 5V voltage of the power supply module 5. The setting of these resistors can not only stabilize the current and voltage of the circuit and prevent excessive current from damaging the components, but also improve the accuracy of signal detection and ensure that the system can work reliably under different environmental conditions.

[0041] More specifically, a relay 11 is provided between the main controller 1 and the actuator 3, and the main controller 1 controls the on and off of the actuator 3 through the relay 11. As an electrically controlled switch, the relay 11 can control the switching operation of a larger current through a smaller control current, and its reliability and response speed are very high. When the main control MCU 21 detects the correct installation direction signal, it will instruct the main controller 1 to connect the power of the electric heater through the relay 11 to start heating. On the contrary, when an incorrect installation direction signal is detected, the main control MCU 21 will instruct the main controller 1 to disconnect the power of the electric heater through the relay 11 and stop heating, thereby effectively preventing dry burning damage.

[0042] More specifically, the actuator 3 is an electric heater installed in the inner tank of the water heater. Of course, the control system of the utility model can also be applied to other household appliances such as air energy water heaters.

Claims

1. A water heater control system for preventing incorrect installation direction, characterized in that: The invention comprises a main controller (1), a display operator (2), an actuator (3), a tilt sensing module (4), and a power supply module (5); the power supply module (5) is connected to the main power supply and supplies power to the main controller (1), the display operator (2), the actuator (3), and the tilt sensing module (4); the actuator (3) and the display operator (2) are both connected to the main controller (1); a main control MCU (21) is provided in the display operator (2); the tilt sensing module (4) is connected to the main control MCU (21); the tilt sensing module (4) comprises a tilt sensing switch (41), the tilt sensing switch (41) comprises an A pin and a B pin, the A pin is grounded, the power supply module (5) uses a 5V voltage to supply power to the B pin, and the B pin is connected to an I / O port of a main control MCU (21); the main control MCU (21) sends a command to the main controller (1) according to a low-level signal of the I / O port, so that the actuator (3) is powered on to work normally; the main control MCU (21) sends a command to the main controller (1) according to a high-level signal of the I / O port, so that the actuator (3) is powered off to stop working.

2. A water heater control system for preventing incorrect installation direction according to claim 1, characterized in that: The tilt sensing switch (41) comprises a horizontal box body (411), wherein the box body (411) is enclosed with a conductive liquid (412) that is not full of the box, and pins A and B are respectively arranged on the left and right sides of the box body (411), and the inner ends of pins A and B extend into the box body (411); when the water heater is installed in the correct direction, the box body (411) remains horizontal and the conductive liquid (412) therein connects pins A and B; when the water heater is installed in an inclined direction or at an angle of 90 degrees to the correct installation direction, the conductive liquid (412) in the box body (411) disconnects pins A and B.

3. A water heater control system for preventing incorrect installation direction according to claim 2, characterized in that: Pin A and pin B are respectively arranged at the bottom of the left and right sides of the box body (411). When the water heater is installed by flipping 180 degrees from the correct installation direction, the conductive liquid (412) in the box body (411) will also disconnect pin A and pin B.

4. A water heater control system for preventing incorrect installation direction according to claim 2, characterized in that: Resistors are provided between the B pin and the I / O port, and between the B pin and the 5V voltage of the power supply module (5).

5. A water heater control system for preventing incorrect installation direction according to claim 1, characterized in that: A relay (11) is provided between the main controller (1) and the actuator (3), and the main controller (1) controls the on and off of power to the actuator (3) via the relay (11).

6. A water heater control system for preventing incorrect installation direction according to claim 1, characterized in that: The actuator (3) is an electric heater installed in the inner tank of the water heater.

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