Toilet flushing system and working method thereof

Abstract

The present invention provides a toilet flushing system, comprising a water inlet valve group, a water tank, a water pump, a distribution valve, a toilet upper flush port, a toilet lower flush port, and a control unit. A first flushing water path is connected to the water tank via the water inlet valve group, the other end of the water tank is sequentially connected to the water pump and the distribution valve, and the other end of the distribution valve is respectively connected to the toilet upper flush port and the toilet lower flush port; a second flushing water path is connected to the toilet upper flush port via the water inlet valve group, or sequentially connected to the water tank and the toilet upper flush port via the water inlet valve group; a third flushing water path is connected to the toilet lower flush port via the water inlet valve group; and a control unit is used to control the water inlet valve group, the water pump, and the distribution valve. The present invention adopts multiple water paths for flushing in response to different situations to ensure that water is flushed to the toilet; and the control unit can flexibly select and control the opening and closing and opening and closing time of different water paths to produce various water washing and flushing effects.

Description

Technical Field

[0001] The present invention relates to the field of sanitary ware, in particular to a toilet flushing system and a working method thereof. Background Art

[0002] Nowadays, the industrial design of smart toilets is becoming more and more flat, which has led to the development of toilet flushing tanks into low water tanks, and the water level line is lower than the ceramic upper surface of the toilet; due to the low water level, the water potential energy in the water tank is weak, and using pure water tank accessories to flush the toilet is not effective in both up-flushing and down-flushing, so a water pump pressurized flushing method is needed, but water pump pressurized flushing has some shortcomings in the toilet flushing effect, such as the flushing force of pure pump flushing is not enough, making the toilet flushing not clean enough; for example, when the electronic circuit fails or there is a power outage, the toilet will not be able to be used normally, so other supplementary measures are needed. Summary of the Invention

[0003] The present invention provides a toilet flushing system, which can effectively solve the above problems.

[0004] The present invention is achieved in that:

[0005] A toilet flushing system includes a water inlet valve group, a water tank, a water pump, a distribution valve, a toilet upper flush port, a toilet lower flush port and a control unit.

[0006] The first flushing water channel is connected to the water tank through the water inlet valve group, the other end of the water tank is connected to the water pump and the distribution valve in sequence, and the other end of the distribution valve is connected to the upper flush port and the lower flush port of the toilet respectively;

[0007] The second flushing water channel is connected to the upper flushing port of the toilet through the water inlet valve group, or is connected to the water tank and the upper flushing port of the toilet in sequence through the water inlet valve group;

[0008] The third flushing water channel is connected to the lower flush port of the toilet through the water inlet valve group;

[0009] The control unit is used to control the water inlet valve group, the water pump and the distribution valve.

[0010] As a further improvement, the water inlet valve group is connected to the municipal water supply through a water inlet pipe.

[0011] As a further improvement, the upper flush port of the toilet and the lower flush port of the toilet are respectively communicated with the toilet sewage outlet through the toilet bowl.

[0012] As a further improvement, the water tank is a closed water tank or an open water tank.

[0013] As a further improvement, the water inlet valve group includes a first solenoid valve and / or a mechanical water inlet valve, and a second solenoid valve, the first solenoid valve is connected to the closed water tank or the upper flush port of the toilet, the mechanical water inlet valve is connected to the open water tank, and the second solenoid valve is connected to the lower flush port of the toilet.

[0014] As a further improvement, a liquid level switch and a water tank overflow port are provided in the closed water tank, the water tank overflow port is connected to the flush port of the toilet, and the liquid level switch is used to monitor the liquid level height of the closed water tank.

[0015] As a further improvement, the distribution valve is a motor valve.

[0016] As a further improvement, the control unit includes a main control board and a power switch electrically connected to the main control board. The main control board is electrically connected to the first solenoid valve, the second solenoid valve, the water pump, the motor valve and the liquid level switch, respectively. The main control board is powered by the power switch and controls the first solenoid valve, the second solenoid valve, the water pump, the motor valve and the liquid level switch, respectively.

[0017] A working method of a toilet flushing system comprises the following steps:

[0018] 1). Determine whether the power supply is normal;

[0019] 2) When it is determined that there is electricity, the first flushing water channel is used to flush the toilet, or the first flushing water channel, the second flushing water channel and the third flushing water channel are used to flush the toilet; when it is determined that there is power outage or no electricity, the second flushing water channel and the third flushing water channel are used to flush the toilet.

[0020] The beneficial effects of the present invention are as follows: the flushing system has three flushing water paths, which are: the first flushing water path is to discharge water to the upper flush port and the lower flush port of the toilet through the first solenoid valve, through the closed water tank, the water pump, and the motor valve for drainage and flushing; the second flushing water path is to supply water to the upper flush port of the toilet through the first solenoid valve, through the closed water tank, and through the overflow port of the water tank to flush the toilet; the third flushing water path is to directly supply water to the lower flush port of the toilet through the second solenoid valve to flush the toilet; or, the first flushing water path is to discharge water to the upper flush port and the lower flush port of the toilet through the mechanical water inlet valve, through the open water tank, the water pump, and the motor valve for drainage and flushing; the second flushing water path is to supply water to the upper flush port of the toilet through the first solenoid valve to flush the toilet; and the third flushing water path is The second solenoid valve is used to directly supply water to the lower flush port of the toilet to flush the toilet; these three water channels are in either an energized or an unenergized state, and they meet two conditions: they can work independently or in cooperation with each other, ensuring that when the first flushing water channel is used to flush the toilet when there is electricity, the second flushing water channel and the third flushing water channel are used to increase the flushing force of the upper flush port and the lower flush port of the toilet to scrub the toilet; and when there is power outage or no electricity, the second flushing water channel and the third flushing water channel can open the first solenoid valve and the second solenoid valve under the action of the water pressure of the municipal water to maintain the upper and lower flushing water; and the opening and closing and the opening and closing time of different water channels can be flexibly selected and controlled through the control unit to produce various different water washing and flushing effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 This is a structural cross-sectional view of a toilet flushing system provided by an embodiment of the present invention. Figure 1 .

[0023] Figure 2 This is a structural cross-sectional view of a toilet flushing system provided by an embodiment of the present invention. Figure 2 .

[0024] Figure 3 This is a structural cross-sectional view of a toilet flushing system provided by an embodiment of the present invention. Figure 3 .

[0025] Figure 4 The present invention provides a flow path diagram of a toilet flushing system.

[0026] Figure 5The present invention provides an electrical control schematic diagram of a flow path of a toilet flushing system according to an embodiment of the present invention.

[0027] Figure 6 This is another flow path schematic diagram of a toilet flushing system provided in an embodiment of the present invention.

[0028] Figure 7 This is a schematic diagram of the electrical control of another flow path of a toilet flushing system provided in an embodiment of the present invention.

[0029] In the figure: 10. Water inlet valve group 11. First solenoid valve 12. Second solenoid valve

[0030] 13. Water inlet pipe 20. Water tank 21. Closed water tank

[0031] 22. Liquid level switch 23. Water tank overflow 30. Water pump

[0032] 40. Distribution valve 50. Toilet upper flush port 60. Toilet lower flush port DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the invention for which protection is sought, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0035] Reference Figures 1 to 7 As shown, a toilet flushing system includes: a water inlet valve group 10, a water tank 20, a water pump 30, a distribution valve 40, a toilet upper flush port 50, a toilet lower flush port 60 and a control unit, characterized in that:

[0036] The first flushing water path is connected to the water tank 20 through the water inlet valve group 10. The other end of the water tank 20 is connected to the water pump 30 and the distribution valve 40 in sequence. The other end of the distribution valve 40 is connected to the upper flush port 50 and the lower flush port 60 of the toilet respectively.

[0037] The second flushing water path is connected to the upper flushing port 50 of the toilet through the water inlet valve group 10, or is connected to the water tank 20 and the upper flushing port 50 of the toilet in sequence through the water inlet valve group 10;

[0038] The third flushing water channel is connected to the toilet lower flush port 60 through the water inlet valve group 10;

[0039] The control unit is used to control the water inlet valve group 10 , the water pump 30 and the distribution valve 40 .

[0040] Furthermore, the water inlet valve group 10 is connected to the municipal water supply through the water inlet pipe 13.

[0041] Furthermore, the toilet upper flush port 50 and the toilet lower flush port 60 are respectively communicated with the toilet sewage outlet through the toilet bowl.

[0042] Furthermore, the water tank 20 is a closed water tank 21 or an open water tank (not shown), and the water tank 20 is arranged on one side of the rear end of the toilet.

[0043] Furthermore, the water inlet valve group 10 is arranged on the other side of the rear end of the toilet, opposite to the water tank 20, and the water pump 30 is arranged below the water inlet valve group 10; the water inlet valve group 10 includes a first solenoid valve 11 and / or a mechanical water inlet valve (not shown), and a second solenoid valve 12, the first solenoid valve 11 is connected to the closed water tank 21 or connected to the upper flush port 50 of the toilet, the mechanical water inlet valve is connected to the open water tank, and the second solenoid valve 12 is connected to the lower flush port 50 of the toilet.

[0044] Furthermore, a liquid level switch 22 and a water tank overflow port 23 are provided in the closed water tank 21 . The water tank overflow port 23 is connected to the flush port 50 of the toilet. The liquid level switch 22 is used to monitor the liquid level height of the closed water tank 21 .

[0045] Furthermore, the distribution valve 40 is a motor valve.

[0046] Furthermore, the control unit includes a main control board and a power switch electrically connected to the main control board, and the main control board is electrically connected to the first solenoid valve 11, the second solenoid valve 12, the water pump 30, the motor valve and the liquid level switch 22, respectively. The main control board is powered by the power switch and controls the first solenoid valve 11, the second solenoid valve 12, the water pump 30, the motor valve and the liquid level switch 22, respectively.

[0047] Example 1:

[0048] refer to Figure 4 As shown, the flushing system includes the water inlet pipe 13, the first solenoid valve 11, the second solenoid valve 12, the closed water tank 21, the liquid level switch 22, the water tank overflow port 23, the water pump 30, the motor valve, the toilet upper flush port 50, the toilet lower flush port 60 and the toilet sewage outlet, thereby forming three water channels, namely: the first flushing water channel is that one end of the water inlet pipe 13 is connected to the municipal water supply, and the other end is connected to the first solenoid valve 11, the first solenoid valve 11 is then connected to the closed water tank 21, the water pump 30 and the motor valve in sequence, the motor valve is respectively connected to the toilet upper flush port 50 and the toilet lower flush port 60, the toilet upper flush port 50 and the toilet lower flush port 60 discharge water and waste through the toilet sewage outlet; the second flushing water channel is that one end of the water inlet pipe 13 is connected to the municipal water supply, and the other end is connected to the first solenoid valve 11 A solenoid valve 11, the first solenoid valve 11 can be opened by the main control board, or in a power-off state, the first solenoid valve 11 can be directly opened by the water pressure of the municipal tap water, so that water passes through the closed water tank 21 and is connected to the toilet upper flush port 50 through the water tank overflow port 23, and the toilet upper flush port 50 is connected to the toilet sewage outlet, thereby flushing the toilet sewage outlet, and the liquid level switch 22 monitors the water level in the closed water tank 21; the third flushing water path is the water inlet pipe 13 with one end connected to the municipal water supply and the other end connected to the second solenoid valve 12, the second solenoid valve 12 can be opened by the main control board, or in a power-off state, the second solenoid valve 12 can be directly opened by the water pressure of the municipal tap water, so that water passes through the second solenoid valve 12 and is connected to the toilet lower flush port 60 and then to the toilet sewage outlet, thereby flushing the toilet sewage outlet. The main control board is electrically connected to the power switch, the first solenoid valve 11, the second solenoid valve 12, the water pump 30, the motor valve and the liquid level switch 22, respectively, and is powered by the power switch to control the first solenoid valve 11, the second solenoid valve 12, the water pump 30, the motor valve and the liquid level switch 22, respectively; the main control board can be controlled by PCL programming, which is a conventional setting and will not be repeated here.

[0049] Example 2:

[0050] refer to Figure 6 As shown, the flushing system includes the water inlet pipe 13, the first solenoid valve 11, the second solenoid valve 12, the mechanical water inlet valve, the open water tank, the water pump 30, the motor valve, the toilet upper flush port 50, the toilet lower flush port 60 and the toilet sewage outlet, thereby forming three water channels, namely: the first flushing water channel is that one end of the water inlet pipe 13 is connected to the municipal water supply, and the other end is connected to the mechanical water inlet valve, and the mechanical water inlet valve is connected to the open water tank, the water pump 30 and the motor valve in sequence, and the motor valve is connected to the toilet upper flush port 50 and the toilet lower flush port 60 respectively, and the toilet upper flush port 50 and the toilet lower flush port 60 together discharge water and waste through the toilet sewage outlet; the second flushing water channel is that one end of the water inlet pipe 13 is connected to the municipal water supply, and the other end is connected to the The first solenoid valve 11, the first solenoid valve 11 is connected to the upper flush port 50 of the toilet, and the upper flush port 50 of the toilet is connected to the sewage outlet of the toilet. The first solenoid valve 11 can be controlled to open by the main control board, or in a power-off state, the water pressure of the municipal tap water can directly open the first solenoid valve 11, so that water passes through the upper flush port 50 to flush the sewage outlet of the toilet; the third flushing water circuit is the water inlet pipe 13, one end of which is connected to the municipal water supply, and the other end is connected to the second solenoid valve 12, the second solenoid valve 12 is connected to the lower flush port 60 of the toilet and then connected to the sewage outlet of the toilet. The second solenoid valve 12 can be controlled to open by the main control board, or in a power-off state, the water pressure of the municipal tap water can directly open the second solenoid valve 12, so that water passes through the lower flush port 60 to flush the sewage outlet of the toilet. The main control board is electrically connected to the power switch, the first solenoid valve 11, the second solenoid valve 12, the water pump 22, and the motor valve 23, respectively, and is powered by the power switch to control the first solenoid valve 11, the second solenoid valve 12, the water pump 22, and the motor valve 23, respectively; the main control board can be controlled by PCL programming, which is a conventional setting and will not be repeated here.

[0051] The working method of the toilet flushing system comprises the following steps:

[0052] 1). Determine whether the power supply is normal;

[0053] 2) When power is determined to be available, the toilet is flushed using the first flushing waterway, or the first, second, and third flushing waterways. When power is determined to be off or unavailable, the toilet is flushed using the second and third flushing waterways. These three waterways operate in either an energized or unpowered state, respectively. They can operate independently or collaboratively, ensuring that when power is available, the first flushing waterway is used to flush the toilet while the second and third flushing waterways are used to increase the flushing force of the upper flush port 50 and lower flush port 60. Furthermore, when power is off or unavailable, the second and third flushing waterways can open the first solenoid valve 11 and the second solenoid valve 12 under the pressure of municipal water to maintain upper and lower flushing. Furthermore, the control unit can flexibly control the opening and closing times of the different waterways to produce various flushing effects.

[0054] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A toilet flushing system comprising: The water inlet valve group (10), the water tank (20), the water pump (30), the distribution valve (40), the toilet upper flushing port (50), the toilet lower flushing port (60) and the control unit are characterized by: The first flushing water path is connected to the water tank (20) through the water inlet valve group (10), the other end of the water tank (20) is connected to the water pump (30) and the distribution valve (40) in sequence, and the other end of the distribution valve (40) is connected to the upper flushing port (50) and the lower flushing port (60) of the toilet respectively; The second flushing water path is connected to the upper flushing port (50) of the toilet via the water inlet valve group (10), or is connected to the water tank (20) and the upper flushing port (50) of the toilet in sequence via the water inlet valve group (10); The third flushing water channel is connected to the toilet lower flushing port (60) through the water inlet valve group (10); The control unit is used to control the water inlet valve group (10), the water pump (30) and the distribution valve (40).

2. The toilet flushing system according to claim 1, characterized in that: The water inlet valve assembly (10) is connected to the municipal water supply via a water inlet pipe (13).

3. The toilet flushing system according to claim 2, characterized in that: The upper flush port (50) and the lower flush port (60) of the toilet are respectively communicated with the sewage outlet of the toilet through the toilet bowl.

4. The toilet flushing system according to claim 3, characterized in that: The water tank (20) is a closed water tank (21) or an open water tank.

5. The toilet flushing system according to claim 4, characterized in that: The water inlet valve group (10) comprises a first solenoid valve (11) and / or a mechanical water inlet valve, and a second solenoid valve (12); the first solenoid valve (11) is connected to the closed water tank (21) or to the upper flush port (50) of the toilet; the mechanical water inlet valve is connected to the open water tank; and the second solenoid valve (12) is connected to the lower flush port (50) of the toilet.

6. The toilet flushing system according to claim 5, characterized in that: A liquid level switch (22) and a water tank overflow port (23) are provided in the sealed water tank (21). The water tank overflow port (23) is connected to the toilet flush port (50). The liquid level switch (22) is used to monitor the liquid level height of the sealed water tank (21).

7. The toilet flushing system according to claim 6, characterized in that: The distribution valve (40) is a motor valve.

8. The toilet flushing system according to claim 7, characterized in that: The control unit comprises a main control board and a power switch electrically connected to the main control board, wherein the main control board is electrically connected to the first solenoid valve (11), the second solenoid valve (12), the water pump (30), the motor valve and the liquid level switch (22) respectively, and the main control board is powered by the power switch and controls the first solenoid valve (11), the second solenoid valve (12), the water pump (30), the motor valve and the liquid level switch (22) respectively.

9. An operating method of a toilet flushing system according to any one of claims 1 to 8, characterized in that: The following steps are involved: 1). Determine whether the power supply is normal; 2) When it is determined that there is electricity, the first flushing water channel is used to flush the toilet, or the first flushing water channel, the second flushing water channel and the third flushing water channel are used to flush the toilet; when it is determined that there is power outage or no electricity, the second flushing water channel and the third flushing water channel are used to flush the toilet.

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