CN204737812U - Water purification unit's filtration system and water purification unit who has it - Google Patents

Abstract

The utility model discloses a filter system of water purification equipment and the water purification equipment provided with it. The filtration system includes: a pre-filter, the pre-filter is connected to an external water source for preliminary water purification; a booster pump, the booster pump is connected to the downstream of the pre-filter through a water inlet solenoid valve; RO membrane filter group, RO membrane filter group Connected to the downstream of the booster pump, the RO membrane filter set has a clean water outlet and a waste water outlet; the flexible water bag is connected to the clean water outlet of the RO membrane filter set through a micro switch; the rear filter element passes through The self-priming pump is connected with the flexible water bag to further purify the water from the flexible water bag, and the rear filter element is suitable for being connected with the outlet tap. According to the filtration system of the water purification equipment of the utility model, the water storage capacity in the filtration system can be increased, and the space occupied by the flexible water bag in the water purification equipment can be reduced, and at the same time, the self-priming pump can completely drain the water in the flexible water bag , to ensure fresh water quality and improve the water quality of pure water.

Description

Filtration system of water purification equipment and water purification equipment having same

technical field

The utility model relates to the technical field of water purification equipment, in particular to a filter system of the water purification equipment and the water purification equipment with the filter system.

Background technique

With the vigorous development of the water purification equipment market, more and more water purification equipment have entered thousands of households. At present, the mainstream of water purification equipment is RO reverse osmosis water purifier, and RO reverse osmosis water purifier is divided into large flow and small flow. There are two types. The large flow mainly includes 400 gallons, 500 gallons, 600 gallons, etc. The small flow mainly includes 50 gallons, 75 gallons, 100 gallons and 200 gallons. Consumers need it, but the price is expensive, and it is difficult for ordinary families to accept it. The small flow system usually produces about 0.2-0.5L of water per minute, and it usually takes 1-2 minutes to receive a glass of water. Therefore, traditional small flow systems are usually equipped with 3 to The 5-gallon pressure tank stores water to increase the net water flux at the end and shorten the waiting time for water intake. There are several disadvantages in this way of storing water in the pressure tank and pressurizing the water outlet: First, the water storage tank is too large to completely drain the water Clean, some water will remain every time, resulting in stagnant water quality and easy breeding of bacteria. Second, the pressure tank is relatively large and can only be installed externally, which takes up space and the waterway is complicated.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. For this reason, the utility model proposes a filter system of the water purification equipment, the filter system increases the water storage capacity of the water purification equipment, and at the same time can ensure the freshness of the drinking water.

The utility model also proposes a water purification device with the filter system of the above water purification device.

According to the filtration system of the water purification equipment of the present invention, it includes: a pre-filter element, the pre-filter element is connected with an external water source to initially purify the water quality; a booster pump, the booster pump is connected to the Downstream of the front filter element; RO membrane filter element group, the RO membrane filter element group is connected downstream of the booster pump, and the RO membrane filter element group has a clean water outlet and a waste water outlet; a flexible water bag, the flexible water bag passes through the micro The automatic switch is connected to the water purification outlet of the RO membrane filter element group; the rear filter element is connected to the flexible water bag through a self-priming pump to further purify the water from the flexible water bag, and the rear filter element is connected to the flexible water bag through a self-priming pump. The filter element is suitable for being connected to the outlet tap.

According to the filter system of the water purification equipment of the present invention, by using the flexible water bag instead of the traditional pressure tank, the water storage capacity in the filter system can be increased, and at the same time, the volume of the flexible water bag is small, which can reduce the pressure of the flexible water bag on the net. Occupied space in water equipment. In addition, the self-priming pump draws the water in the flexible water bag, and can discharge the water in the flexible water bag to ensure fresh water quality and improve the water quality of pure water.

According to some embodiments of the present utility model, the RO membrane filter element set includes: a first RO membrane filter element, the first RO membrane filter element has a first water inlet, a first purified water outlet, and a first waste water outlet, and the first RO membrane filter element A water purification port is connected with the booster pump; the second RO membrane filter element has a second water inlet, a second water purification outlet and a second waste water outlet, and the second water inlet is connected to the The first wastewater outlet is connected, and the first water purification outlet and the second water purification outlet constitute the water purification outlet of the RO membrane filter element group.

Optionally, the filter system of the water purification equipment further includes a waste water solenoid valve, and the waste water solenoid valve is arranged on a waste water waterway connected to the second waste water outlet. Thus, the wastewater of the second RO membrane filter element is discharged from the wastewater channel, and the wastewater solenoid valve can control the circulation of wastewater on the wastewater channel, and the wastewater solenoid valve is sensitive, thereby effectively controlling the discharge of wastewater on the wastewater channel.

According to some embodiments of the present utility model, the flexible water bag is a double-sided flexible water bag. Thereby, it can be further ensured that the water in the flexible water bag is completely removed, so that the quality of the purified water flowing out of the flexible water bag is more fresh.

According to some embodiments of the present utility model, the micro switch is a high water level reed switch. Thereby, the inflow and outflow of water in the flexible water bag can be controlled.

According to some embodiments of the present invention, the filter system of the water purification equipment further includes a high-voltage switch connected between the rear filter element and the water outlet tap. Thereby play the role of cutting off the power supply at high voltage and stopping water production.

According to some embodiments of the present utility model, the filtration system of the water purification equipment further includes a water leakage detection board, and the water leakage detection board is located below at least one of the pre-filter element, the RO membrane filter element group and the rear filter element. The water leakage detection board is used to detect whether there is water leakage in the filtration system. Once the leakage is detected, the power supply can be automatically cut off, so that the water purification equipment stops working, thereby protecting the normal operation of the filtration system and the water purification equipment.

According to some embodiments of the present utility model, the pre-filter element is a PAC composite filter element. The installation box of the PAC composite filter element can be free of cleaning, which can improve the practicability of the filtration system of the water purification equipment to a certain extent.

According to some embodiments of the present utility model, the post filter element is a C+UF composite filter element. As a result, the C+UF composite filter element can further absorb the color and odor substances in the water, and at the same time, it can adjust the taste of the water and improve the quality of the water.

In addition, the utility model also proposes a water purification device with the filter system of the above-mentioned water purification device. The flexible water bag can increase the water storage capacity of the filter system and reduce the occupied space, and the self-priming pump can filter the water in the flexible water bag The water will be completely discharged, realize the ready-to-use water, keep the water fresh, avoid secondary pollution, and improve the water quality.

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a structural schematic diagram of a filter system of a water purification device according to an embodiment of the present utility model.

Reference signs:

100: filtration system;

1: Pre-filter, 2: Booster pump, 3: Water inlet solenoid valve;

4: RO membrane filter element group, 41: the first RO membrane filter element, 411: the first water inlet, 412: the first water purification outlet, 413: the first waste water outlet, 42: the second RO membrane filter element, 421: the second inlet Shuikou, 422: the second clean water outlet, 423: the second waste water outlet;

5: wastewater waterway, 51: wastewater solenoid valve;

6: flexible water bag, 61: micro switch;

7: Rear filter element;

8: High voltage switch;

9: Self-priming pump.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the Describes, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The following describes a filter system 100 of a water purification device according to an embodiment of the present invention with reference to FIG. 1 .

The filter system 100 of the water purification equipment according to the embodiment of the present utility model may include a pre-filter 1 , a booster pump 2 , an RO membrane filter set 4 , a flexible water bag 6 and a post-filter 7 .

As shown in Figure 1, the pre-filter element 1 is connected to the external water source, and the tap water from the external water source can be initially purified through the pre-filter element 1. The pre-filter element 1 can intercept rust, sediment and other particulate matter to remove residual chlorine in the tap water. and organic impurities.

The booster pump 2 is connected between the pre-filter element 1 and the RO membrane filter element group 4, and is connected to the power supply to provide water pressure for the filtration system 100, whereby tap water from an external water source is drawn through the pre-filter element 1 by the booster pump 2, and Flow to the RO membrane filter element group 4, and the booster pump 2 can also provide thrust for the water outlet of the flexible water bag 6, so as to promote the complete discharge of the water in the flexible water bag 6. The booster pump 2 is connected downstream of the pre-filter element 1, and the water inlet solenoid valve 3 is connected between the booster pump 2 and the pre-filter element 1, so that the flow of water between the pre-filter element 1 and the booster pump 2 can be effectively controlled. on and off.

The RO membrane filter group 4 is connected downstream of the booster pump 2, and the booster pump 2 draws the pre-purified water to the RO membrane filter group 4, and the RO membrane filter group 4 can remove impurities such as bacteria, viruses, metal ions, and organic substances in the water , to further purify the water after the preliminary purification, as shown in Figure 1, the RO membrane filter element group 4 has a clean water outlet and a waste water outlet, like this, the clean water after the purification of the RO membrane filter element group 4 can be discharged from the clean water outlet, Waste water can be discharged from the waste water outlet.

The flexible water bag 6 is connected to the water purification outlet of the RO membrane filter core group 4, so that the purified water filtered by the RO membrane filter core group 4 flows from the water purification outlet to the flexible water bag 6, and can be stored in the flexible water bag 6. The shape of the water bag 6 can change with the water storage volume, thereby increasing the water storage capacity of the water purification equipment. At the same time, the volume of the flexible water bag 6 is small, which can reduce the occupied space of the flexible water bag 6 in the water purification equipment. As shown in Figure 1, the flexible water bag 6 can be connected to the water purification outlet of the RO membrane filter core group 4 through a micro switch 61, and the micro switch 61 can control the inflow and outflow of the clean water in the flexible water bag 6, the flexible water The inflow and outflow of the clean water in the bag 6 can be converted by the water inlet solenoid valve 3, that is to say, when the filter system 100 starts to produce water, the micro switch 61 is turned on, and the clean water flows to the flexible water bag 6 and is stored in the flexible water bag 6. In the water bag 6; when the filter system 100 stops water production, the micro switch 61 can be closed, and when the user needs to drink water, the micro switch 61 is opened, and the clean water flows out from the flexible water bag 6.

The rear filter element 7 is connected to the downstream of the flexible water bag 6 and can be connected with the flexible water bag 6 through a self-priming pump 9 to further purify the water from the flexible water bag 6. The rear filter element 7 is suitable for connecting with the water outlet tap (not shown in the figure) ), so that the self-priming pump 9 can absorb the flexible water bag 6 and completely discharge the water in the flexible water bag 6. After being filtered again by the rear filter element 7, the clean water will flow out from the tap for the user to drink, thereby achieving pure water. The water is prepared and used immediately to keep the water quality fresh and avoid secondary pollution.

Thus, the tap water from the external water source is initially purified by the pre-filter element 1, the booster pump 2 is connected to the power supply, the water inlet solenoid valve 3 is opened, the booster pump 2 pumps the preliminary purified water to the RO membrane filter element group 4, and the RO membrane filter element After the water is purified by the group 4 for the second time, the micro switch 61 is turned on, and the water purified by the RO membrane filter element group 4 flows to the flexible water bag 6 and is stored in the flexible water bag 6. The water in the flexible water bag 6 is drawn by the suction pump 9 and is discharged from the water outlet after being purified again by the rear filter element 7 .

According to the filtration system 100 of the water purification equipment of the embodiment of the present utility model, by using the flexible water bag 6 instead of the traditional pressure tank, the water storage capacity in the filtration system 100 can be increased, and the volume of the flexible water bag 6 is small, which can Reduce the space occupied by the flexible water bag 6 in the water purification equipment. Self-priming pump 9 can get rid of the water in the flexible water bag 6 in addition, fresh and lively to guarantee water quality, improves the water quality of pure water.

As shown in Figure 1, the RO membrane filter element group 4 can include a first RO membrane filter element 41 and a second RO membrane filter element 42, the first RO membrane filter element 41 has a first water inlet 411, a first clean water outlet 412 and a first waste water Outlet 413, the second RO membrane filter element 42 has a second water inlet 421, a second clean water outlet 422 and a second waste water outlet 423, the first water inlet 411 is connected to the booster pump 2, and the water drawn by the booster pump 2 flows to the second An RO membrane filter element 41, and flows from the first RO membrane filter element 41 to the second RO membrane filter element 42.

Specifically, the booster pump 2 is connected to the first water inlet 411, the first purified water outlet 412 and the second purified water outlet 422 are connected to the flexible water bag 6, and the first purified water outlet 412 and the second purified water outlet 422 can form a The clean water outlet of the whole RO membrane filter element group 4, the first waste water outlet 413 is connected with the second water inlet 421, like this, the water drawn by the booster pump 2 flows from the first water inlet 411 to the first RO membrane filter element 41, and passes through the first water inlet 411. After the RO membrane filter element 41 is filtered, the purified water flows out from the first purified water outlet 412 and flows to the flexible water bag 6, and the waste water flows out from the first wastewater outlet 413, and flows from the second water inlet 421 to the second RO membrane filter element 42, and passes through the first RO membrane filter element 42. After the second RO membrane filter element 42 is filtered again, the clean water of the second RO membrane filter element 42 flows from the second clean water outlet 422 to the flexible water bag 6 , and the waste water is discharged from the second waste water outlet 423 .

Further, as shown in Figure 1, the filter system 100 of the water purification equipment also includes a waste water solenoid valve 51, the waste water solenoid valve 51 is arranged on the waste water waterway 5, and the waste water waterway 5 is connected with the second waste water outlet 423, thus, the second waste water The wastewater of the RO membrane filter element 42 is discharged from the wastewater channel 5. The wastewater solenoid valve 51 can control the circulation of the wastewater on the wastewater channel 5, and the wastewater solenoid valve 51 is sensitive, thereby effectively controlling the discharge of the wastewater on the wastewater channel 5.

In some embodiments of the present invention, the flexible water bag 6 can be a double-sided flexible water bag, and the thrust of the booster pump 2 impels the purified water of the RO membrane filter element group 4 to be stored in the double-sided flexible water bag, and the self-priming pump 9 When absorbing the clean water in the double-sided flexible water bag, it can further ensure that the water in the flexible water bag 6 is completely discharged, so that the quality of the clean water flowing out of the flexible water bag 6 is more fresh.

As shown in Figure 1, the microswitch 61 is connected to the upstream of the flexible water bag 6, and the inflow and outflow of clean water in the flexible water bag 6 can be controlled by the microswitch 61. Optionally, the microswitch 61 can be used for high water level. Reed switch, in the process of water production, when the water in the flexible water bag 6 is full and reaches a high level, the high water level reed switch is closed, thereby ensuring that when the water in the flexible water bag 6 is full, the micro switch 61 is closed, and the water purification No longer flow to the flexible water bag 6, while the high water level reed switch can also control the outflow of water in the flexible water bag 6.

As an optional embodiment, the filter system 100 of the water purification equipment may also include a high-voltage switch 8, which is connected between the post-filter element 7 and the water outlet tap to cut off the power supply at high voltage and stop water production.

In some embodiments of the present utility model, the filtration system 100 can also include a water leakage detection board (not shown in the figure), and the water leakage detection board is located under at least one of the pre-filter element 1, the RO membrane filter element group 4 and the rear filter element 7 That is to say, the water leakage detection board can be located under one of the pre-filter element 1, the RO membrane filter element group 4 and the rear filter element 7, or the water leakage detection board can be located at the pre-filter element 1, the RO membrane filter element group 4 and the rear filter element 7. Below two of the filter elements 7, preferably, a water leakage detection plate can be provided under the pre-filter element 1, the RO membrane filter element group 4 and the post-filter element 7, to detect whether the filter system 100 has water leakage, once When water leakage is detected, the power supply can be automatically cut off, so that the water purification equipment stops working, thereby protecting the normal operation of the filtering system 100 and the normal operation of the water purification equipment.

As an optional embodiment, the pre-filter element 1 can be a PAC composite filter element, and the PAC composite filter element includes a three-layer composite of non-woven fabric, carbon fiber and PP cotton, thus, when the PAC composite filter element needs to be replaced, the installation box of the PAC composite filter element It can be free of cleaning, so that the practicability of the filter system 100 of the water purification equipment can be improved to a certain extent.

The rear filter element 7 can be a C+UF composite filter element, that is, an activated carbon ultrafiltration composite filter element. The activated carbon filter element can absorb residual chlorine, peculiar smell and color, organic pollutants, etc. in the water. Minerals, trace elements, etc. ensure the quality of water. Therefore, the C+UF composite filter element can further absorb the color and odor substances in the water, and at the same time adjust the taste of the water and improve the quality of the water.

The working process of the filter system 100 of the water purification equipment according to one embodiment of the present invention will be described in detail below with reference to FIG. 1 .

The water from the external water source is initially purified by the PAC composite filter element, the water inlet solenoid valve 3 is opened, the booster pump 2 pumps the initially purified water through the first water inlet 411 and flows to the first RO membrane filter element 41, and the first RO membrane filter element 41 is purified. The purified water flows out from the first purified water outlet 412, the waste water flows from the first wastewater outlet 413 to the second RO membrane filter element 42, the purified water filtered by the second RO membrane filter element 42 flows out from the second purified water outlet 422, and the waste water flows from the second RO membrane filter element 42 The second waste water outlet 423 flows to the waste water channel 5, and the waste water solenoid valve 51 controls the circulation of the waste water channel 5, and the clean water of the first water purification outlet 412 and the second water purification outlet 422 all flows to the double-sided flexible water bag, and is stored in the double-sided flexible water bag. In the water bag, the self-priming pump 9 absorbs the water in the double-sided flexible water bag and flows to the C+UF composite filter element, which further filters the water. When the high-pressure switch 8 is turned on, pure water can flow out from the outlet tap.

In addition, the utility model also proposes a water purification device with the filter system 100 of the above-mentioned water purification device. The flexible water bag 6 can increase the water storage capacity of the filter system 100 and reduce the occupied space, and the self-priming pump 9 can The water in the flexible water bag 6 can be discharged completely, realizes the ready-to-use water, keeps the freshness of the water, avoids secondary pollution, and improves the quality of the water.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation Specific features, structures, materials or characteristics described in an embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. a filtering system for water purifying plant, is characterized in that, comprising:

Preposition filter core, described preposition filter core is connected with external water source with rough purification water quality;

Topping-up pump, described topping-up pump is connected to the downstream of described preposition filter core by entering water electromagnetic valve;

RO membrane cartridge group, described RO membrane cartridge group is connected to the downstream of described topping-up pump, and RO membrane cartridge group has pure water inlet and wastewater outlet;

Flexible water bag, described flexible water bag is connected to the pure water inlet of described RO membrane cartridge group by vernier switch;

Rearmounted filter core, described rearmounted filter core is connected to purify the water from described flexible water bag further with described flexible water bag by vacuum primingpump, and described rearmounted filter core is suitable for being connected with depotition cock.

2. the filtering system of water purifying plant according to claim 1, is characterized in that, described RO membrane cartridge group comprises:

One RO membrane cartridge, a described RO membrane cartridge has the first water-in, the first pure water inlet and the first wastewater outlet, and described first water purification mouth is connected with described topping-up pump;

2nd RO membrane cartridge, described 2nd RO membrane cartridge has the second water-in, the second pure water inlet and the second wastewater outlet, described second water-in is connected with described first wastewater outlet, and described first pure water inlet and described second pure water inlet form the pure water inlet of described RO membrane cartridge group.

3. the filtering system of water purifying plant according to claim 2, is characterized in that, comprises Wastewater by Electric magnet valve further, and described Wastewater by Electric magnet valve is located on the waste water water route that is connected with described second wastewater outlet.

4. the filtering system of water purifying plant according to claim 1, is characterized in that, described flexible water bag is double-faced flexible water bag.

5. the filtering system of water purifying plant according to claim 1, is characterized in that, described vernier switch is high-water dry-reed tube.

6. the filtering system of water purifying plant according to claim 1, is characterized in that, comprises high-voltage switch gear further, and described high-voltage switch gear is connected between described rearmounted filter core and described depotition cock.

7. the filtering system of water purifying plant according to claim 1, is characterized in that, comprises leak water detdction plate further, and described leak water detdction plate is positioned at the below of at least one of described preposition filter core, RO membrane cartridge group and rearmounted filter core.

8. the filtering system of the water purifying plant according to any one of claim 1-7, is characterized in that, described preposition filter core is PAC composite filter element.

9. the filtering system of the water purifying plant according to any one of claim 1-7, is characterized in that, described rearmounted filter core is C+UF composite filter element.

10. a water purifying plant, is characterized in that, comprises the filtering system of the water purifying plant according to any one of claim 1-9.