WO2022021460A1

WO2022021460A1 - Timer for preventing heating without water

Info

Publication number: WO2022021460A1
Application number: PCT/CN2020/106852
Authority: WO
Inventors: 文毅
Original assignee: 宁波海贝电器有限公司
Priority date: 2020-07-28
Filing date: 2020-08-04
Publication date: 2022-02-03
Also published as: CN111897260A

Abstract

A timer for preventing heating without water, comprising: a WiFi receiver (5), a button (6), a first signal plate (7), a second signal plate (8), a third signal plate (14), a first relay (9), a second relay (10), and a third relay (15). The first signal plate (7) receives a signal input by the WiFi receiver (5) or a pulse signal sent by manually pressing the button (6); the first signal plate (7) transmits the signal to the second signal plate (8); the second signal plate (8) transmits the signal to the third signal plate (14), the first relay (9), and the second relay (10), separately; the first relay (9) and the second relay (10) control the turning on or off of a water pump; the third signal plate (14) transmits the signal to the third relay (15); the third relay (15) controls the turning on or off of a heating device; when the first relay (9) and the second relay (10) turn on the water pump, the third relay (15) turns on the heating device; and the third relay (15) turns off the heating device within time T1 before the first relay (9) and the second relay (10) turn off the water pump.

Description

A timer to prevent dry burning

technical field

The present invention relates to the technical field of timers, and more particularly, to a timer for preventing dry burning.

Background technique

The use of timers is very extensive and has been widely used in people's daily life. The timer can be turned on/off regularly to meet different scenarios. The current types of timers include: temperature-sensitive timers, humidity-sensitive timers, light-sensitive timers timer, remote control timer, etc.

In the application field of pools, swimming pools and water heaters, timers are often used to control the timing of adding water to the water pump, or to control the timing of heating by the heater, while the existing timers can only control one of the water pump or the heater, or control both at the same time. Water pump and heater, but there is no protective setting, and the sequence of turning on or off the water pump and heater cannot be controlled, that is, dry burning/empty burning may occur.

In order to prevent the phenomenon of dry burning, in the prior art, such as CN109874163A, the system MCU starts the timer for timing, and when the time counted by the timer reaches the specified timing value, the system MCU controls the heating inner tank to trip, the timer is used for timing, and the start is delayed. Heat the inner pot. It can be seen that the timer is only a simple timing function, mainly using the system MCU to judge and control the dry burning.

However, the present invention can achieve the effect of preventing the dry burning of the pool and the swimming pool only by using the timer, and has low cost and can prevent human operation errors.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a timer for preventing dry burning, which can play the role of preventing dry burning in pools or swimming pools, has low cost, and can prevent human operation errors.

A timer for preventing dry burning, comprising: an upper cover 1, a lower cover 2, a WIFI receiver 5, a button 6, a first signal board 7, a second signal board 8, a third signal board 14, a first relay 9, The second relay 10 and the third relay 15 are characterized in that the first signal board 7 receives the signal input by the WIFI receiver 5 or the pulse signal sent by manually pressing the button 6, and the first signal board 7 transmits the signal to the The second signal board 8, the second signal board 8 transmits signals to the third signal board 14 and the first relay 9 and the second relay 10 respectively. The first relay 9 and the second relay 10 control the opening or closing of the external load water pump, The third signal board 14 transmits the signal to the third relay 15, and the third relay 15 controls the opening or closing of the external load heating device. When the first relay 9 and the second relay 10 turn on the water pump, the third relay 15 turns on the heating Before the first relay 9 and the second relay 10 turn off the water pump T1, the third relay 15 turns off the heating device.

Further, turning off the heating device before turning off the water pump for a certain period of time can effectively prevent the pool or swimming pool from drying out. The principle of the present invention is that the timer for preventing dry burning controls the first relay 9 and the second relay 10 by sending a wireless signal through the mobile phone APP or pressing the manual button 6 after the above signal processing and transmission, thereby controlling the water pump On the other hand, through the software program setting inside the third signal board 14, the third relay 15 is controlled, so that when the first relay 9 and the second relay 10 turn on the water pump, the third relay 15 turns on the heating device, Before the first relay 9 and the second relay 10 turn off the water pump for a certain time, the third relay 15 turns off the heating device, which can prevent human operation errors and effectively prevent the pool or swimming pool from drying out. In addition, the present invention does not use a complicated and expensive system MCU, and the effect of preventing the pool or swimming pool from being dry can be achieved through the timer, and the structure is simple and the cost is low.

Further, T1 is 5-30 minutes.

Further, preferably, T1 is 10-20 minutes.

In some embodiments, the WIFI receiver 5 and the button 6 are connected to the first signal board 7 , the second signal board is connected to the first relay 9 and the second relay 10 , the third signal board 14 is connected to the third relay 15 , and The seat 17 fixes the plug 16 and is fixedly connected to the third signal board 14 .

Further, the first relay 9 is connected with the first connection terminal 121 and the second connection terminal 122 through the conductive sheet 11, the second relay 10 is connected with the third connection terminal 123 and the fourth connection terminal 124 through the conductive sheet 11, and the first connection The terminal 121 and the second connection terminal 122 are connected to the water pump through electric wires, and the third connection terminal 123 and the fourth connection terminal 124 are connected to the same water pump through electric wires.

Further, the wires pass through the first crimping frame 131 and the second crimping frame 132 respectively to be connected to the first terminal 121 and the second terminal 122, and the wires pass through the third crimping frame 133 and the fourth crimping frame respectively 134 is connected to the third connection terminal 123 and the fourth connection terminal 124 .

Further, the input power L terminal 125 is connected to the neutral wire, and the input power N terminal 126 is connected to the live wire.

In some embodiments, the third signal board 14 includes a software program module 141, the software program module 141 receives the signal input from the second signal board 8, and the software program module 141 controls the time when the third relay 15 turns on the heating device and the first relay 9 and the second relay 10 turn on the water pump at the same time, and control the third relay 15 to turn off the heating device before the time T1 when the first relay 9 and the second relay 10 turn off the water pump.

Further, the plug 16 includes a positioning plug 161, a first transmission signal plug 162, and a second transmission signal plug 163. The positioning plug 161 plays a role in positioning, and the first transmission signal plug 162 and the second transmission signal plug 162. The signal plug 163 is connected to the heating device by wires.

Further, the third relay 15 receives the signal input from the third signal board 14, and the third relay 15 outputs the signal to the first transmission signal plug 162 and the second transmission signal plug 163. The first transmission signal plug 162 and The second transmission signal plug 163 controls the heating device to be turned on or off.

In some embodiments, the heating device is a heater, preferably a tankless water heater.

In some embodiments, by setting the switch on the mobile phone, the wireless signal sent by the mobile phone is received by the WIFI receiver 5 , and the WIFI receiver 5 processes the received signal and sends the signal to the first signal board 7 .

In some embodiments, the switch is set by manually pressing the button 6 , then the button 6 sends a pulse signal to the first signal board 7 .

In some embodiments, the first signal board 7 is located under the first shielding plate 3 , the first relay 9 , the second relay 10 , and the terminal 12 are located under the second shielding plate 4 , and the first signal board 7 is located at the Above the two signal boards 8 .

In some embodiments, the timer for preventing dry burning further includes a protection door 18. The protection door 18 includes a door cover 181 and a door frame 182. The door frame 182 has a plug 16 and a socket 17. When the door cover 181 is opened, the available Electrical wires connect the first transmission signal plug 162 and the second transmission signal plug 163 .

Description of drawings

FIG. 1 is a left side view of the timer of the present application when the cover is opened.

FIG. 2 is a schematic structural diagram of the timer of the present application after the upper cover is removed.

FIG. 3 is a schematic diagram of the timer of the present application after removing the upper and lower covers and the shielding plate.

FIG. 4 is a top view of the timer of the present application after the upper and lower covers and the shielding plates are removed.

FIG. 5 is a schematic diagram of the timer of the application after the upper and lower covers, the shielding plate and the protective door are removed.

Description of main component symbols:

The accompanying drawings will be described in detail below with reference to specific implementation cases.

detailed description

The following examples are described to assist the understanding of the present application, and the examples are not and should not be construed in any way to limit the scope of protection of the present application.

In the following description, those skilled in the art will recognize that, throughout this discussion, components may be described as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or Parts thereof may be divided into separate components, or may be integrated together (including within a single system or component).

Furthermore, the connections between components or systems within the figures are not intended to be limited to direct connections. Rather, data between these components may be modified, reformatted, or otherwise changed by intervening components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" should be understood to include direct connections, indirect connections through one or more intervening devices, and wireless connections.

Example 1:

A timer for preventing dry burning, comprising: an upper cover 1, a lower cover 2, a WIFI receiver 5, a button 6, a first signal board 7, a second signal board 8, a third signal board 14, a first relay 9, The second relay 10 and the third relay 15 are characterized in that, by setting the switch on the mobile phone, the wireless signal sent by the mobile phone is received by the WIFI receiver 5, and the WIFI receiver 5 processes the received signal and sends the signal to the first signal board. 7. The first signal board 7 transmits the signal to the second signal board 8, the second signal board 8 transmits the signal to the third signal board 14 and the first relay 9 and the second relay 10 respectively, the first relay 9 and the second The relay 10 controls the opening or closing of the external load water pump, the third signal board 14 transmits the signal to the third relay 15, the third relay 15 controls the opening or closing of the external load namely the thermal water heater, the first relay 9 and the second relay 10 When the water pump is turned on, the third relay 15 turns on the instantaneous water heater, and 10 minutes before the first relay 9 and the second relay 10 turn off the water pump, the third relay 15 turns off the instantaneous water heater.

The WIFI receiver 5 is connected with the first signal board 7, the second signal board is connected with the first relay 9 and the second relay 10, the third signal board 14 is connected with the third relay 15, the socket 17 is fixed with the plug 16, and is connected with The third signal board 14 is fixedly connected. The first relay 9 is connected with the first connection terminal 121 and the second connection terminal 122 through the conductive sheet 11, the second relay 10 is connected with the third connection terminal 123 and the fourth connection terminal 124 through the conductive sheet 11, and the first connection terminal 121 and The second connection terminal 122 is connected to the water pump through wires, and the third connection terminal 123 and the fourth connection terminal 124 are connected to the same water pump through wires. The wires pass through the first crimping frame 131 and the second crimping frame 132, respectively, to be connected to the first wiring terminal 121 and the second wiring terminal 122, and the wires pass through the third crimping frame 133 and the fourth crimping frame 134, respectively, and are connected to the first wiring terminal 121 and the second wiring terminal 122. The third connection terminal 123 and the fourth connection terminal 124 are connected. The input power L terminal 125 is connected to the neutral wire, and the input power N terminal 126 is connected to the live wire.

The third signal board 14 includes a software program module 141, the software program module 141 receives the signal input from the second signal board 8, and the software program module 141 controls the time when the third relay 15 turns on the heating device and the first relay 9 and the second relay 10. The time for turning on the water pump is the same, and the third relay 15 is controlled to turn off the heating device before the time T1 when the first relay 9 and the second relay 10 turn off the water pump. The plug 16 includes a positioning plug 161, a first transmission signal plug 162, and a second transmission signal plug 163. The positioning plug 161 plays a role in positioning, and the first transmission signal plug 162 and the second transmission signal plug. The 163 is connected to the heating device by wires. The third signal board 14 receives the signal from the second signal board 8, the third signal board 14 outputs the signal to the third relay 15, and the third relay 15 outputs the signal to the first transmission signal plug 162 and the second transmission signal The plug 163, the first transmission signal plug 162 and the second transmission signal plug 163 control the heating device on or off.

The first signal board 7 is located below the first shielding plate 3 , the first relay 9 , the second relay 10 and the terminal 12 are located below the second shielding plate 4 , and the first signal board 7 is located above the second signal board 8 . The timer for preventing the pool from drying out further includes a protection door 18, the protection door 18 includes a door cover 181 and a door frame 182, the door frame 182 has a plug 16 and a socket 17, open the door cover 181, and the first transmission can be connected with a wire Signal plug 162 and second transmission signal plug 163 .

Example 2:

A timer for preventing dry burning, comprising: an upper cover 1, a lower cover 2, a WIFI receiver 5, a button 6, a first signal board 7, a second signal board 8, a third signal board 14, a first relay 9, The second relay 10 and the third relay 15 are characterized in that, by manually pressing the button 6 to set the switch, the button 6 sends a pulse signal to the first signal board 7, and the first signal board 7 transmits the signal to the second signal board 8. , the second signal board 8 transmits signals to the third signal board 14 and the first relay 9 and the second relay 10 respectively. The first relay 9 and the second relay 10 control the opening or closing of the external load water pump, and the third signal board 14 The signal is transmitted to the third relay 15. The third relay 15 controls the opening or closing of the external load instant water heater. When the first relay 9 and the second relay 10 turn on the water pump, the third relay 15 turns on the instantaneous water heater. Fifteen minutes before the first relay 9 and the second relay 15 turn off the water pump, the third relay 15 turns off the tankless water heater.

The button 6 is connected with the first signal board 7, the second signal board is connected with the first relay 9 and the second relay 10, the third signal board 14 is connected with the third relay 15, the socket 17 is fixed with the plug 16, and is connected with the third relay. The signal board 14 is fixedly connected. The first relay 9 is connected with the first connection terminal 121 and the second connection terminal 122 through the conductive sheet 11, the second relay 10 is connected with the third connection terminal 123 and the fourth connection terminal 124 through the conductive sheet 11, and the first connection terminal 121 and The second connection terminal 122 is connected to the water pump through wires, and the third connection terminal 123 and the fourth connection terminal 124 are connected to the same water pump through wires. The wires pass through the first crimping frame 131 and the second crimping frame 132, respectively, to be connected to the first wiring terminal 121 and the second wiring terminal 122, and the wires pass through the third crimping frame 133 and the fourth crimping frame 134, respectively, and are connected to the first wiring terminal 121 and the second wiring terminal 122. The third connection terminal 123 and the fourth connection terminal 124 are connected. The input power L terminal 125 is connected to the neutral wire, and the input power N terminal 126 is connected to the live wire.

Although the present application has disclosed various aspects and embodiments, other aspects and embodiments will be apparent to those skilled in the art, and several modifications and improvements can be made without departing from the concept of the present application. All belong to the protection scope of this application. The various aspects and embodiments disclosed in the present application are only used for illustration, and are not intended to limit the present application, and the actual protection scope of the present application is subject to the claims.

Claims

A timer for preventing dry burning, comprising: an upper cover (1), a lower cover (2), a WIFI receiver (5), a button (6), a first signal board (7), and a second signal board (8) , a third signal board (14), a first relay (9), a second relay (10), and a third relay (15), characterized in that the first signal board (7) receives the WIFI receiver (5) ) input signal or the pulse signal sent by manually pressing the button (6), the first signal board (7) transmits the signal to the second signal board (8), and the second signal board (8) transmits the signal to the third signal board (8) respectively. The signal board (14) and the first relay (9) and the second relay (10), the first relay (9) and the second relay (10) control the opening or closing of the external load water pump, and the third signal board (14) will The signal is transmitted to the third relay (15), and the third relay (15) controls the opening or closing of the external load heating device. When the first relay (9) and the second relay (10) turn on the water pump, the third relay (15) When the heating device is turned on, before the first relay (9) and the second relay (10) turn off the water pump T1, the third relay (15) turns off the heating device.
The timer for preventing dry burning according to claim 1, wherein T1 is 5-30 minutes.
The timer for preventing dry burning according to claim 2, wherein T1 is 10-20 minutes.
The timer for preventing dry burning according to claim 1, characterized in that the WIFI receiver (5) and the button (6) are connected to the first signal board (7), and the second signal board (8) is connected to the first relay (9) is connected with the second relay (10), the third signal board (14) is connected with the third relay (15), the socket (17) is fixed with the plug (16), and is fixed with the third signal board (14) connect.
The timer for preventing dry burning according to claim 4, characterized in that the first relay (9) is connected to the first connection terminal (121) and the second connection terminal (122) through a conductive sheet (11), and the second connection terminal (122) The relay (10) is connected to the third terminal (123) and the fourth terminal (124) through the conductive sheet (11), the first terminal (121) and the second terminal (122) are connected to the water pump through wires, and the first The third terminal (123) and the fourth terminal (124) are connected to the same water pump through wires, the input power L terminal (125) is connected to the neutral wire, and the input power N terminal (126) is connected to the live wire.
The timer for preventing dry burning according to claim 5, characterized in that the wires pass through the first wire pressing frame (131) and the second wire pressing frame (132) and the first connection terminal (121) and the second wire respectively. The connection terminals (122) are connected, and the wires pass through the third crimping frame (133) and the fourth crimping frame (134) respectively to be connected with the third connection terminal (123) and the fourth connection terminal (124).
The timer for preventing dry burning according to claim 1, characterized in that, the third signal board (14) comprises a software program module (141), and the software program module (141) receives the input signal from the second signal board (8). Signal, the software program module (141) controls the third relay (15) to turn on the heating device at the same time as the first relay (9) and the second relay (10) turn on the water pump, and controls the third relay (15) to turn on the water pump at the same time. A relay (9) and a second relay (10) turn off the heating device before the time T1 to turn off the water pump.
The timer for preventing dry burning according to claim 4, wherein the plug (16) comprises a positioning plug (161), a first transmission signal plug (162), and a second transmission signal plug (163) ), the positioning plug (161) plays the role of positioning, and the first transmission signal plug (162) and the second transmission signal plug (163) are connected to the heating device through wires.
The timer for preventing dry burning according to claim 7, characterized in that the third relay (15) receives the signal sent by the third signal board (14), and the third relay (15) outputs the signal to the first transmission The signal plug (162) and the second transmission signal plug (163), the first transmission signal plug (162) and the second transmission signal plug (163) control the opening or closing of the heating device.
The timer for preventing dry burning according to claim 1, characterized in that, by setting a switch on the mobile phone terminal, the wireless signal sent by the mobile phone terminal is received by the WIFI receiver (5), and the WIFI receiver (5) processes the received signal. Then, a signal is sent to the first signal board (7), and the switch is set by manually pressing the button (6), and the button (6) sends a pulse signal to the first signal board (7).