WO2021007996A1

WO2021007996A1 - Water tank and water purifier with same

Info

Publication number: WO2021007996A1
Application number: PCT/CN2019/114120
Authority: WO
Inventors: 倪祖根
Original assignee: 莱克电气绿能科技(苏州)有限公司
Priority date: 2019-07-17
Filing date: 2019-10-29
Publication date: 2021-01-21
Also published as: CN110228655A

Abstract

Disclosed are a water tank and a water purifier with same. The water tank comprises: a tank structure, a waste water tank (1) used for containing waste water, at least one conversion water tank (2) used for containing raw water in an initial state and used for containing the waste water after the raw water contained therein has been filtered, and a raw water tank (3) only used for containing the raw water, wherein the waste water tank (1) is provided with an overflow port, so that the waste water flows into the conversion water tank (2) via the overflow port after the waste water tank (1) becomes full of water; and the waste water tank (1), the conversion water tank (2) and the raw water tank (3) are all arranged inside the tank structure. By providing the conversion water tank, the space used for containing raw water can be converted into the space used for containing waste water. Under conditions where the total volume of the water tank remains unchanged, the size of the waste water tank can be reduced as much as possible, and waste water generated after raw water is filtered flows into the waste water tank and the conversion water tank, such that the amount of raw water that can be added into the water tank in a single instance is increased.

Description

Water tank and water purifier with the water tank

Technical field

The invention relates to the technical field of water purifier design, and more specifically, to a water tank. In addition, the present invention also relates to a water purifier including the above-mentioned water tank.

Background technique

In the prior art, in order to increase the volume of the raw water that can be filtered at a time when the volume of the water tank remains unchanged, an elastic bladder for collecting wastewater is generally provided in the water tank. The elastic bladder is in a contracted state in the initial state, and the water tank is When the raw water is filled up, the waste water generated in the raw water filtration process is collected into the elastic capsule. As the volume of the filtered raw water increases, the volume of the waste water produced increases, the space occupied by the raw water decreases, and the elastic capsule gradually expands. Occupy the space originally used for holding raw water, separate waste water from raw water, and make full use of the space of the water tank.

However, in the prior art, the elastic bladder needs to be continuously expanded and contracted during the working process, which will affect its service life; in addition, in order to ensure that the elastic bladder has good elasticity, the elastic bladder generally has a thin thickness in the expanded state and is extremely easy to be impurity. Damage, causing waste water leakage, affecting filtration efficiency and filter life.

In summary, how to increase the volume of raw water that can be added to the water tank at a time on the premise that the total volume of the water tank remains unchanged and the reliability of the water tank structure is ensured is a problem to be solved by those skilled in the art.

Summary of the invention

In view of this, the purpose of the present invention is to provide a water tank, which can increase the volume of raw water that can be added at a time without increasing the total volume of the water tank, ensure the reliability of the water tank structure, and improve the water purification of the water purifier. effectiveness.

Another object of the present invention is to provide a water purifier including the above-mentioned water tank.

In order to achieve the above objectives, the present invention provides the following technical solutions:

A water tank, comprising: a box body structure, a waste water tank for containing waste water, at least one for containing raw water in an initial state, and after filtering the raw water contained inside, for containing the waste water The conversion water tank, and the original water tank only used for holding raw water;

The waste water tank is provided with an overflow port, so that the waste water flows into the conversion water tank through the overflow port after the waste water tank is full;

The waste water tank, the conversion water tank and the raw water tank are all arranged in the box structure.

Preferably, a water inlet valve is provided at the bottom of the waste water tank, and a water outlet valve is provided at the bottom of the conversion water tank and the raw water tank.

Preferably, it includes a conversion water tank, and the bottom of the conversion water tank is provided with a first water outlet valve for allowing the raw water to flow out.

Preferably, the volume of waste water generated after the raw water in the conversion water tank is filtered is less than or equal to the volume of the waste water tank; the volume of waste water jointly generated after the conversion water tank and the raw water in the raw water tank are filtered is less than or equal to the The sum of the volumes of the waste water tank and the conversion water tank.

Preferably, the conversion water tank includes a first conversion water tank and a second conversion water tank; the bottom of the first conversion water tank is provided with a first water outlet valve, and the bottom of the second conversion water tank is provided with a second water outlet valve.

Preferably, the overflow port includes a first overflow port for overflowing the wastewater to the first conversion water tank and a second overflow port for overflowing the wastewater to the second conversion water tank. Drool

And the height of the first overflow port is lower than the height of the second overflow port.

Preferably, the volume of waste water generated after filtering the raw water in the first conversion water tank is less than or equal to the volume of the waste water tank;

The volume of waste water jointly produced after the raw water in the first conversion water tank and the second conversion water tank is filtered is less than or equal to the sum of the volumes of the waste water tank and the first conversion water tank;

The volume of waste water jointly produced after filtering the raw water in the first conversion water tank, the second conversion water tank, and the raw water tank is less than or equal to that of the waste water tank, the first conversion water tank, and the second conversion water tank The sum of volumes.

Preferably, the top of the waste water tank is sealed with an end cover.

A water purifier comprising a water tank for containing raw water and waste water, a filtering system for filtering the raw water, and a main structure for installing the water tank and the filtering system, the water tank being any one of the above The mentioned water tank.

Preferably, it also includes a raw water detection sensor for detecting the use of raw water, a controller for receiving information transmitted by the raw water detection sensor, and controlling the opening and closing of the valve in the water tank.

The beneficial effects of the present invention are:

The setting of the conversion water tank can convert the space used for holding raw water into space for holding waste water. Under the condition that the total volume of the water tank remains unchanged, the volume of raw water that can be added at a time increases, thereby avoiding multiple additions of raw water to the water tank. Improve filtration efficiency.

Under the circumstance that the maximum volume of raw water that can be added to the water tank in a single time remains unchanged, the total volume of the water tank in the present invention can be reduced, so that the volume of the equipment applying the water tank structure is reduced.

The arrangement of dividing the inside of the box structure into several chambers makes the overall structure of the water tank stable and reliable, and avoids the trouble of repeatedly replacing parts.

The water tank provided by the present invention includes: a tank structure, a waste water tank for holding waste water, at least one for holding raw water in an initial state, and conversion for holding waste water after filtering the raw water inside. The water tank and the raw water tank only used to contain raw water; the waste water tank is provided with an overflow port so that the waste water flows into the conversion water tank through the overflow after the waste water tank is full; the waste water tank, the conversion water tank and the raw water tank are all set in the tank body Within the structure.

In actual use, first fill the conversion water tank and the raw water tank with raw water, control the raw water outflow from the conversion water tank, and filter the raw water flowing out of the conversion water tank. The waste water generated during the filtering process enters the waste water tank until the raw water in the conversion water tank is filtered. ; In order to avoid the situation that the waste water tank is full when the raw water in the conversion tank is not filtered, multiple conversion tanks can be set, and the two conversion tanks can be isolated and connected. When the waste water tank is full and the conversion tank exists When the raw water has been used up in an empty conversion water tank, the waste water generated after filtering the remaining raw water in the conversion tank can flow into the waste water tank through the water inlet valve and overflow from the waste water tank to the empty conversion water tank; the raw water in the conversion water tank is filtered out After that, the raw water in the raw water tank can be filtered, and the raw water tank can be opened by the control device to make the raw water in the raw water tank flow out. The waste water generated in the process of filtering the raw water in the raw water tank flows into the waste water tank through the inlet valve and overflows from the waste water tank. Flow to the conversion water tank until the raw water in the original water tank is filtered.

The water tank provided by the present invention can be used to store raw water into a space for waste water by setting a conversion water tank. When the total volume of the water tank remains unchanged, the volume of the waste water tank can be reduced as much as possible, so that The waste water generated after the raw water filtration flows into the waste water tank and the conversion water tank, thereby increasing the volume of raw water that can be added to the water tank at a time, avoiding multiple additions of raw water, and improving filtration efficiency.

In addition, compared with the prior art, the present invention is provided with a tank structure, and the conversion water tank, waste water tank and raw water tank are all compartments separated from the inside of the tank structure, so that the overall structure of the water tank is stable and reliable, and repeated replacement is avoided. Trouble with parts.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on the provided drawings without creative work.

Fig. 1 is a schematic structural diagram of a first embodiment of a water tank provided by the present invention;

Figure 2 is a top view of the bottom surface of the end cap.

In Figure 1-2:

1 is the waste water tank, 11 is the inlet valve, 2 is the conversion water tank, 21 is the first outlet valve, 22 is the second outlet valve, 3 is the original water tank, 31 is the third outlet valve, 4 is the end cover, and 5 is the first outlet valve. One overflow port, 6 is the second overflow port.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

The core of the present invention is to provide a water tank, which can increase the volume of raw water that can be added in a single time without changing the total volume of the water tank, so that the space occupied by the raw water can be converted into the space occupied by waste water, and the reasonable utilization of the tank space is realized. Another core of the present invention is to provide a water purifier including the above-mentioned water tank.

Please refer to FIGS. 1-2. FIG. 1 is a schematic structural diagram of a specific embodiment of the water tank provided by the present invention; FIG. 2 is a top view of the bottom surface of the end cover.

The water tank provided by this specific embodiment includes: a tank structure, a waste water tank for containing waste water 1, at least one for containing raw water in an initial state, and the raw water contained inside is used for containing after filtering The conversion water tank 2 for the waste water and the raw water tank 3 used only for raw water; the waste water tank 1 is provided with an overflow port so that the waste water flows into the conversion water tank 2 through the overflow port after the waste water tank 1 is full; waste water tank 1, The conversion water tank 2 and the raw water tank 3 are both arranged in the tank structure.

In the actual use of the water purifier, first fill the conversion water tank 2 and the raw water tank 3 with raw water. When the water purifier starts the filtering process, first control the raw water in the conversion water tank 2 to flow out to the water purifier through the outlet valve 21/22 The wastewater generated in the filtration process flows into the waste water tank 1 through the water inlet valve 11 until the raw water in the conversion tank 2 is filtered; the detection mechanism set up on the water purifier detects that the raw water in the conversion tank 2 is used up , The outlet valve 21/22 of the control conversion water tank 2 is closed, the outlet valve 31 of the raw water tank 3 is opened, the water purifier starts to filter the raw water in the raw water tank 3, and the waste water generated in the raw water filtration process in the raw water tank 3 It enters the waste water tank 1 through the water inlet valve 11 until the waste water tank 1 is full and overflows to the conversion water tank 2 for storage.

In order to avoid additional water tank space, the waste water tank 1 is generally set to one, and the number of the conversion water tank 2 is at least one. Of course, it can also be set to 2, 3 or more. Preferably, the number of the original water tank 3 is also one. , To avoid additional isolation space and increase processing difficulty.

The water tank provided by the present invention can reduce the volume of the waste water tank 1 as much as possible by being provided with the conversion water tank 2, and the space used for holding raw water is transformed into the space used for holding waste water. When the total volume of the water tank remains unchanged The volume of raw water that can be added in a single time increases, avoiding the process of repeatedly adding raw water and improving the filtration efficiency.

In addition, compared with the prior art, the conversion water tank 2, waste water tank 1 and raw water tank 3 of the present invention are all fixedly arranged in the structure of the tank body, so that the overall structure of the water tank is stable and reliable, and the trouble of repeated replacement of parts is avoided. .

Preferably, the space of the waste water tank 1, the conversion water tank 2, and the raw water tank 3 can be separated by a partition in the box structure.

Preferably, the bottom of the waste water tank 1 is provided with a water inlet valve 11, and the bottom of the conversion water tank 2 and the raw water tank 3 are both provided with a water outlet valve.

On the basis of the above embodiment, the volume of waste water generated after filtering the raw water in the conversion water tank 2 can be less than or equal to the volume of the waste water tank 1; the volume of waste water generated jointly after the raw water in the conversion water tank 2 and the raw water tank 3 is less than Equal to the sum of the volumes of waste water tank 1 and conversion water tank 2. Preferably, the volume ratio of the raw water tank 3, the conversion water tank 2, and the waste water tank 1 can be set as: the volume of the raw water tank 3: the volume of the conversion water tank 2: the volume of the waste water tank 1 = 4:2:1, for example, when the water tank When the total volume is 5L, the volume of waste water tank 1 can be 0.71L, the volume of conversion water tank 2 is 1.42L, and the volume of raw water tank 3 is 2.84L. Of course, the ratio of raw water to wastewater is different according to different filtration methods. It can also be set in other proportions.

On the basis of the above-mentioned embodiment, a conversion water tank 2 may be included. The bottom of the conversion water tank 2 is provided with an outlet valve for allowing raw water to flow out, and the conversion water tank 2 communicates with the waste water tank 1 through an overflow.

Preferably, the conversion water tank 2 is arranged between the raw water tank 3 and the waste water tank 1.

Preferably, the overflow port is arranged at a position adjacent to the side wall of the waste water tank 1 and the end cover 4, so that the waste water tank 1 contains as much waste water as possible.

On the basis of the foregoing embodiment, at least two conversion water tanks 2 may be included, and the bottom of any conversion water tank 2 is provided with a water outlet valve for allowing raw water to flow out;

The side wall of any conversion water tank 2 is provided with a waste water inlet for inflow of waste water.

When the number of conversion water tanks 2 is greater than or equal to 3, all the conversion water tanks 2 can be arranged adjacent to the waste water tank 1. The waste water tank 1 is provided with the same number of overflow outlets as the conversion water tank 2 but with different heights, so that the waste water is sequentially Overflow to each conversion water tank 2, or only two conversion water tanks 2 are arranged adjacent to the waste water tank 1, other conversion water tanks 2 are arranged adjacently in turn, and a waste water outlet is set between adjacent conversion water tanks 2; for example, After the second conversion water tank is full of waste water, the waste water overflows from the second conversion water tank to the third conversion water tank. After the third conversion water tank is full, the waste water overflows from the third conversion water tank to the fourth conversion water tank.

On the basis of the foregoing embodiment, considering the actual space of the water tank and the difficulty of the water tank processing process, the conversion water tank 2 can be made to include a first conversion water tank and a second conversion water tank, and the waste water generated after the raw water in the first conversion water tank is filtered The volume is less than or equal to the volume of the waste water tank 1, the waste water generated after the raw water in the first conversion water tank is filtered enters the waste water tank 1; when it is detected that the raw water in the first conversion water tank is filtered, the raw water in the second conversion water tank It flows out from the second outlet valve 22 for filtering. The waste water generated during the raw water filtering process of the second conversion water tank enters the waste water tank 1 through the inlet valve 11. The total waste water generated after the raw water in the first conversion water tank and the second conversion water tank is filtered The volume is less than or equal to the sum of the volumes of the waste water tank 1 and the first conversion water tank; when it is detected that the raw water in the second conversion water tank is filtered, the raw water in the raw water tank 3 flows out through the third outlet valve 31 and is filtered. The waste water generated in the raw water filtration process in 3 enters the waste water tank 1 through the water inlet valve 11 and directly overflows to the first conversion water tank or the second conversion water tank, or is directly stored in the waste water tank 1, the first conversion water tank, the second conversion water tank The sum of the volume of waste water generated after filtering the raw water in the water tank and the raw water tank 3 is less than or equal to the sum of the volumes of the first conversion water tank, the second conversion water tank and the waste water tank 1. Therefore, in the process of use, the first conversion water tank and the second conversion water tank can be used to hold raw water in the initial state, and the raw water inside can be used to hold waste water after filtering, so as to increase the utilization rate of space, thereby Increase the volume of raw water that can be added to the water tank at a time to improve filtration efficiency.

For example, according to the volume of waste water produced after the existing raw water is filtered, when the total volume of the raw water tank 3 is 5L, the volume ratio of the waste water tank 1, the first conversion water tank, the second conversion water tank, and the raw water tank 3 can be set as: waste water The volume of tank 1: the volume of the first conversion tank: the volume of the second conversion tank: the volume of the original water tank 3 = 8:4:2:1, so that the volume of the waste water tank 1 is 0.33L, and the volume of the first conversion tank is 0.66L , The volume of the second conversion water tank is 1.32L, and the volume of the original water tank 3 is 2.64L; of course, for different filtration methods and filtration equipment, the volume of wastewater produced by the same volume of raw water is different, so this example is only for an individual case Note that the actual operation can be determined according to the actual situation.

After the waste water tank 1 is filled with waste water, in order to enable the waste water in the waste water tank 1 to smoothly flow into the first conversion water tank and the second conversion water tank, the waste water tank 1 can be provided with a first overflow for overflowing the waste water to the first conversion water tank. The outflow port 5 and the second overflow port 6 for overflowing waste water to the second conversion water tank; and the height of the first overflow port 5 is lower than the height of the second overflow port 6.

As shown in Figure 1, the tank structure can be divided into four chambers: waste water tank 1, first conversion water tank, second conversion water tank, and raw water tank 3 by partitions, and waste water tank 1 is arranged in the first conversion water tank and the second conversion water tank. Between the two conversion water tanks, the upper part of the waste water tank 1 is provided with a first overflow port 5 and a second overflow port 6 for overflowing waste water, and the lower part of the waste water tank 1 is provided with a water inlet valve 11, and the first conversion water tank A first outlet valve 21 is provided at the bottom of the second conversion tank, a second outlet valve 22 is provided at the bottom of the second conversion tank, and a third outlet valve 31 is provided at the bottom of the raw water tank 3. Because the height of the first overflow port 5 is lower than that of the second The height of the overflow port 6, so after the wastewater in the waste water tank 1 reaches the height of the first overflow port 5, continue to filter the raw water, and the generated wastewater will overflow through the first overflow port 5 to the first conversion water tank , Until the first conversion water tank is full of waste water, and then the added waste water will overflow through the second overflow port 6 to the second conversion water tank.

Preferably, an end cover 4 can be provided on the top of the waste water tank 1, and the end cover 4 is connected to the waste water tank 1 in a sealed manner. During use, the end cover 4 can prevent waste water from spilling out. In order to facilitate the discharge of waste water, The cover 4 is a plug that can be easily disassembled or is threadedly connected to the waste water tank 1. The end cover 4 can also be provided with a waste water outlet for the waste water to flow out. During the filtration process, the waste water outlet is closed. When the filtering is completed, the waste water outlet is opened , The water tank is inverted, the waste water will easily flow out.

In addition to the above water tank, the present invention also provides a water purifier including the water tank disclosed in the above embodiments. The water purifier includes a water tank for containing raw water and wastewater after the raw water is filtered, a filtration system for filtering the raw water, and The main structure for installing the water tank and the filtering system, the water tank mentioned above, and the structure of the other parts of the water purifier, please refer to the prior art, which will not be repeated here.

Preferably, the opening and closing of the first water outlet valve 21, the second water outlet valve 22, the third water outlet valve 31 and the water inlet valve 11 which are preferentially set as solenoid valves can be controlled by electromagnetic induction switches provided in the water purifier.

On the basis of the above-mentioned embodiment, in order to be able to dump the wastewater in time when the raw water is filtered, and supplement the raw water, the raw water tank 3 may be provided with a liquid shortage sensor for detecting the water level of the raw water and an alarm prompt in the liquid shortage state. The alarm device, the lack of liquid sensor is connected to the controller, and the controller is connected to the alarm device.

The alarm device may be a buzzer or an alarm light, which is specifically determined according to actual conditions. Preferably, the lack of liquid sensor is arranged at the bottom of the raw water tank 3.

It should be noted that the first conversion water tank, the second conversion water tank, the third conversion water tank and the fourth conversion water tank, the first controller and the second controller, the first water outlet valve 21, and the second conversion water tank mentioned in this application document The first, second, third, and fourth of the second water outlet valve 22 and the third water outlet valve 31 are only for distinguishing the terms of different technical characteristics, and there is no order of priority, and they do not constitute a technical solution of the present invention. limited.

It should be noted that the overflow port mentioned in this solution can be a circulation port or hole opened on the wall of the waste water tank 1, or directly the top of the wall of the waste water tank 1 adjacent to the port of the conversion water tank. In the case of the conversion water tank, for example, the height of the top of the wall of the waste water tank 1 adjacent to the port of the conversion water tank 2 can be set to different heights to achieve sequential overflow. There is no specific structural limitation on the overflow port, as long as the overflow can be realized. The purpose of the flow is sufficient.

The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referred to each other. Any combination of all embodiments provided by the present invention is within the protection scope of the present invention, and will not be repeated here.

The water tank provided by the present invention and the water purifier provided with the water tank are described in detail above. Specific examples are used in this article to illustrate the principle and implementation of the present invention. The description of the above examples is only used to help understand the method and core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications can be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

A water tank, which is characterized by comprising: a tank structure, a waste water tank (1) for containing waste water, at least one for containing raw water in an initial state, and after the raw water contained inside is filtered A conversion water tank (2) for containing the waste water, and a raw water tank (3) only for containing raw water;

The waste water tank (1) is provided with an overflow port, so that after the waste water tank (1) is full, the waste water flows into the conversion water tank (2) through the overflow port;

The waste water tank (1), the conversion water tank (2) and the raw water tank (3) are all arranged in the box structure.
The water tank according to claim 1, characterized in that the bottom of the waste water tank (1) is provided with an inlet valve (11), and the bottom of the conversion water tank (2) and the raw water tank (3) are both provided with Outlet valve (21, 22, 31).
The water tank according to claim 2, characterized in that it comprises a conversion water tank (2), and a first water outlet valve (21) for letting the raw water flow out is provided at the bottom of the conversion water tank (2).
The water tank according to any one of claims 1 to 3, characterized in that the volume of waste water generated after filtering the raw water in the conversion water tank (2) is less than or equal to the volume of the waste water tank (1); the conversion water tank (2) The volume of waste water produced jointly with the raw water in the raw water tank (3) after filtration is less than or equal to the sum of the volumes of the waste water tank (1) and the conversion water tank (2).
The water tank according to claim 2, characterized in that the conversion water tank (2) comprises a first conversion water tank and a second conversion water tank; the bottom of the first conversion water tank is provided with a first water outlet valve (21), the A second water outlet valve (22) is provided at the bottom of the second conversion water tank.
The water tank according to claim 5, wherein the overflow port comprises a first overflow port (5) for overflowing the wastewater to the first conversion water tank, and a first overflow port (5) for overflowing the wastewater Overflow to the second overflow port (6) of the second conversion water tank;

And the height of the first overflow port (5) is lower than the height of the second overflow port (6).
The water tank according to claim 6, wherein:

The volume of waste water generated after filtering the raw water in the first conversion water tank is less than or equal to the volume of the waste water tank (1);

The volume of waste water jointly produced after the raw water in the first conversion water tank and the second conversion water tank is filtered is less than or equal to the sum of the volumes of the waste water tank (1) and the first conversion water tank;

The volume of waste water jointly produced after the raw water in the first conversion water tank, the second conversion water tank and the raw water tank (3) is filtered is less than or equal to the waste water tank (1), the first conversion water tank and the whole The sum of the volumes of the second conversion water tank.
The water tank according to any one of claims 1-3 and 5-7, characterized in that the top of the waste water tank (1) is sealed with an end cover (4).
A water purifier comprising a water tank for containing raw water and waste water, a filtering system for filtering the raw water, and a main structure for installing the water tank and the filtering system, characterized in that the water tank is The water tank mentioned in any one of claims 2-8.
The water purifier according to claim 9, further comprising a raw water detection sensor for detecting the usage of raw water, for receiving information transmitted by the raw water detection sensor, and controlling the opening and closing of the valve in the water tank Controller.